List of Elementary episodes

Elementary is an American crime drama created by Robert Doherty and loosely based on Sherlock Holmes and other characters appearing in the works of Sir Arthur Conan Doyle. The series stars Jonny Lee Miller, Lucy Liu, Aidan Quinn, and Jon Michael Hill and premiered on CBS on September 27, 2012. On May 11, 2015, the series was renewed for a fourth season, which premiered on November 5, 2015.^[1] On March 25, 2016, it was renewed for a fifth season.^[2]

As of May 1, 2016, 95 episodes of Elementary have aired.

Series overview

Season		Episodes	Originally aired
			First aired	Last aired
	1	24	September 27, 2012	May 16, 2013
	2	24	September 26, 2013	May 15, 2014
	3	24	October 30, 2014	May 14, 2015
	4	24[3]	November 5, 2015	May 8, 2016[4]

Episodes

Season 1 (2012–13)

No. in series	No. in season	Title	Directed by	Written by	Original air date	U.S. viewers (millions)
1	1	"Pilot"	Michael Cuesta	Robert Doherty	September 27, 2012	13.41[5]
Joan Watson (Lucy Liu) is assigned as the sober companion of Sherlock Holmes (Jonny Lee Miller). When she goes to meet her new companion, she finds that he escaped from rehab the day of his release. When she meets him, he takes her on the subway to a house in Manhattan; he explains that before he began using drugs he used to work for Scotland Yard as a consultant to help solve homicides. He works on the case of a woman who was attacked, and supposedly kidnapped, only to find that she was hidden in a safe room in the apartment. The next day, Holmes finds that the killer is most likely a serial killer, finding similarities to another case, except that this victim survived. After interviewing the woman, Holmes and Watson find that she knew the man who attacked her. When Holmes calls NYPD Captain Thomas Gregson (Aidan Quinn) with his newest lead, Gregson reveals that they're at the suspect's house, and that said suspect has committed suicide. Watson and Holmes fight, due to his lack of trust and sharing regarding his past, before drugs, and mysterious personal life, resulting in her saying she'll request another companion assignment. Holmes concludes that the victim's husband, a psychiatrist plotted to have her killed by giving his patient pills that would make him violent, then sending him after his wife. There was a pre-nuptial agreement, and he would have received money if his wife were to die.
2	2	"While You Were Sleeping"	John David Coles	Robert Doherty	October 4, 2012	11.13[6]
Holmes and Watson investigate the murders of two illegitimate children of a wealthy businessman, but matters are complicated when a witness identifies a woman in a coma—and the man's legitimate daughter—as the murderer. The first break in the case was the recognition of a corneal disease in the two victims. Holmes races to find other potential victims while under suspicion of harassing witnesses and watched by police. Holmes is also introduced to and begins working with NYPD Detective Marcus Bell (Jon Michael Hill).
3	3	"Child Predator"	Rod Holcomb	Peter Blake	October 18, 2012	10.91[7]
Holmes and Watson investigate a child abduction case which involves a serial killer known as the "Balloon Man", whose name comes from the fact that balloons are left at each of his crime scenes. Matters get complicated when the Balloon Man's first victim from 2005, Adam Kemper (Johnny Simmons) is caught by the police—Holmes deduces that Adam has Stockholm Syndrome, and sympathizes with him to help find the killer. The Balloon Man is identified as Samuel Abbott, but Abbott commits suicide, allowing for the release of his most recent victim. Holmes investigates Abbott's home and finds evidence leading to his realization that Adam is in fact the Balloon Man. Following a brief confrontation with Holmes, Adam gets an immunity deal clearing him from all charges on crimes committed "in consort with Samuel Abbott aka the Balloon Man", but Holmes is able to arrange for Adam's arrest when he determines that one of the crimes had to have been committed by Adam alone as Abbott was in the hospital when the abduction occurred.
4	4	"Rat Race"	Rosemary Rodriguez	Craig Sweeny	October 25, 2012	10.31[8]
In spite of Holmes' dislike of bankers, Holmes and Watson take on a case that involves a missing Wall Street executive, who turns up dead of an heroin overdose that Holmes suspects is not accidental. Upon further examination, Holmes suspects a serial killer is on the loose when he finds he's not the only executive of the company who has suffered a mysterious death. After Holmes is captured by the killer, Watson is forced to tell Captain Gregson the truth about her job with Holmes to get Gregson to search for him. Meanwhile, Watson gets roped into a blind date by her friend, but the man has a secret.
5	5	"Lesser Evils"	Colin Bucksey	Liz Friedman	November 1, 2012	10.49[9]
While doing research in the hospital morgue, Sherlock stumbles upon a murder that no one else has noticed. According to Holmes' deductions, someone in the hospital has been killing vulerable, pain-wracked, near-death patients and making it look like they had died of natural causes. While questioning hospital doctors and staff, evidence begins to mount, and Sherlock realizes that he is chasing an Angel of Death. Meanwhile, Watson manages to reconnect with an old friend while working with Sherlock at the hospital. While sitting in on a pre-op procedure, she comes to realize that Sherlock is not the only one with an uncanny sense of intuition. Holmes and Watson uncover several unethical and criminal activities going on at the hospital in the course of their investigation into the murder, and Watson finds out she may be "a better doctor than she is a friend."[10]
6	6	"Flight Risk"	David Platt	Corinne Brinkerhoff	November 8, 2012	10.90[11]
Holmes brings Watson to the site of a plane crash on a beach; among the four victims, he deduces that one of them was murdered. Reviewing further evidence including a recording of the sounds heard on the plane prior to the crash, Holmes comes to the conclusion that sand was used to jam the plane engine, and the murder victim was a man who walked in on the perpetrator at work, his corpse then stuffed in a trunk that caused weight imbalance and the plane's subsequent crash. All evidence points to a plane mechanic who is supposedly smuggling cocaine, but further evidence show that the real murderer is the mechanic's boss. Watson, meanwhile, is called to dinner by Holmes' father, who Holmes claims would never propose such a thing. Watson meets a man claiming to be Sherlock's father, but his cover falters when he laughs at Watson's reaction to a question about sex. Watson later meets with the man (Roger Rees), a former stage actor and friend of Sherlock named Alistair. Alistair explains to Watson how Sherlock once visited him so high, barely able to speak, muttering a certain name, which Alistair tells Watson. Returning to Sherlock's home, Watson asks him who Irene was.
7	7	"One Way to Get Off"	Seith Mann	Christopher Silber	November 15, 2012	10.75[12]
Holmes is called in to assist on a case with an M.O. that is identical to a serial murderer that Captain Gregson put away when he was just a detective. As more people turn up dead it appears more and more likely that Gregson and his partner at the time may not have arrested the right person and questions arise as to whether they framed the man currently behind bars.
8	8	"The Long Fuse"	Andrew Bernstein	Jeffrey Paul King	November 29, 2012	10.46[13]
A bomb explodes in the office building of several young and unassuming business ventures. The first suspect is the person who called the number that triggered the bomb, but when he is quickly cleared the case turns more intriguing. Holmes learns that the bomb actually went off four years after it was supposed to. Watson encourages Holmes to consider the sponsor who will replace her when she leaves him. Holmes decides to go with Alfredo (Ato Essandoh), a car thief who he chooses at random during a meeting. Alfredo decides to train Holmes on breaking into cars as an addition to his lock-picking hobby.
9	9	"You Do It to Yourself"	Phil Abraham	Peter Blake	December 6, 2012	10.31[14]
Despite being ill Holmes works with Bell to try and figure out who murdered a professor from a local university. A Thai string bracelet on the victim's wrist contributes to characterization of the victim. An acute observation of Joan's leads to the discovery that the victim had uveal melanoma, which suggests a theory that explains the crime. Meanwhile, Watson deals with a man from her past who asks for assistance when he is arrested for a crime he does not remember committing.
10	10	"The Leviathan"	Peter Werner	Corinne Brinkerhoff & Craig Sweeny	December 13, 2012	10.46[15]
Holmes and Watson investigate how someone could have broken into a seemingly impregnable bank vault called the Leviathan. Holmes' methods try the patience of many bystanders, including Watson herself. His realization of the use of Malbolge in the crime leads to a major break in solving the case. Meanwhile, Watson's mother visits her daughter, and questions her decision to give up her career in surgery.
11	11	"Dirty Laundry"	John David Coles	Liz Friedman & Christopher Silber	January 3, 2013	11.44[16]
Holmes and Watson investigate the murder of the general manager of a high-end Manhattan hotel whose body is found inside an industrial laundry machine. The woman's background and family seems clean, but a call girl soon reveals that their victim may be in some illegal business. Holmes cracks the case by uncovering use of steganography, and discovers just what business the woman is involved in, prompting almost the full mobilization of the police force. Meanwhile, since Joan's time with Holmes is almost up, he offers her an apprenticeship, but she refuses.
12	12	"M."	John Polson	Robert Doherty	January 10, 2013	11.48[17]
Holmes is reunited with "M." (Vinnie Jones) a British serial killer who appears to have followed Holmes to New York; Watson eventually learns that "M" is the one who murdered Sherlock's lover Irene Adler, causing him to spiral into his previous addiction. However, after Sherlock captures "M" and privately interrogates him, he learns that "M" (whose name is Sebastian Moran) is not a serial killer but an assassin, and that he was jailed when Irene was murdered. Moran is on the payroll of a mysterious criminal named Moriarty; therefore, Moriarty killed Irene and pinned the blame on Moran. Holmes vows he will hunt down Moriarty. Meanwhile, Watson has reservations about leaving Holmes and taking on a new client.
13	13	"The Red Team"	Christine Moore	Story by: Jeffrey Paul King & Craig Sweeny Teleplay by: Jeffrey Paul King	January 31, 2013	10.90[18]
Holmes, while suspended from consulting for the NYPD, investigates the death of a conspiracy theorist and has to figure out who is killing the members of a team that participated in an American Military War Game risking national security. He reluctantly apologizes to Captain Gregson, who angrily banned him from the station after he abducted Moran in the previous episode.
14	14	"The Deductionist"	John Polson	Craig Sweeny & Robert Doherty	February 3, 2013	20.80[19]
While chasing down a serial killer escaped from custody, an FBI profiler and ex-lover of Holmes's comes back into his life. Meanwhile, Watson is evicted from her apartment because the man she had let stay there shot a pornographic film in it, but later proves her landlord was there the whole time and blackmails him to compensate her.
15	15	"A Giant Gun, Filled with Drugs"	Guy Ferland	Story by: Christopher Silber Teleplay by: Corinne Brinkerhoff & Liz Friedman	February 7, 2013	10.84[20]
Holmes's former drug dealer comes from London to seek his help to find his kidnapped daughter, which Watson is concerned is a powerful trigger to Holmes relapsing.
16	16	"Details"	Sanaa Hamri	Story by: Robert Doherty Teleplay by: Jeffrey Paul King & Jason Tracey	February 14, 2013	10.98[21]
When Detective Bell survives a drive-by shooting while driving his car and his suspected attacker later turns up dead, all signs point to a revenge killing. Holmes and Watson work the case hoping to clear the detective of any wrongdoing. Meanwhile their relationship takes an interesting turn as Holmes again offers Watson a new position as his apprentice now that her time as his sober companion has expired. This time, she accepts.
17	17	"Possibility Two"	Seith Mann	Mark Goffman	February 21, 2013	11.19[22]
Holmes tests Watson's deductive skills and then is later asked to investigate a case where a wealthy philanthropist believes he was intentionally infected with an incurable illness—cerebral amyloid angiopathy; Holmes sends Watson to a suspicious dry cleaners to teach her deductive skills.
18	18	"Déjà Vu All Over Again"	Jerry Levine	Brian Rodenbeck	March 14, 2013	11.33[23]
Sherlock and Watson were handed a case of a woman who had disappeared. She had left behind only a video addressing her husband and the video reflects on life after the news of a woman killed by an oncoming train. Sherlock thinks this case would suit Watson to start her first solo investigation. Meanwhile, Sherlock starts the investigation of the murdered woman at the railway, where an unidentified male hands her a bouquet of flowers and then comes back to push her off the platform. Watson questions the husband of the disappeared woman, and when her instincts tell her he is suspicious, starts her investigation. Watson follows the husband and when she saw that he possessed a wooden box which he claimed his wife took along with her, breaks in to his car. But that didn't reveal anything and Watson was arrested by the Police. After the failure and remarks from her friends, Watson start doubting her decision to become a detective. But later she found evidence that links both cases of the murdered woman at railway station and the missing woman whom now they know have been murdered.
19	19	"Snow Angels"	Andrew Bernstein	Jason Tracey	April 4, 2013	10.48[24]
A security guard is shot dead during a robbery of unreleased mobile phones. Sherlock and Watson work out that the robbery is a smokescreen to steal blueprints and head to New Jersey where to prevent the East Rutherford Operations Center (EROC) from being burglarized during the middle of a snowstorm. They meet a woman named Pam (Becky Ann Baker) who drives the pair around New Jersey in a snowplow. Ms. Hudson (Candis Cayne), an old friend of Sherlock's, is dealing with a break-up and stays in the house with them. The visiting FEMA official helping out with the city's emergency response to the snowstorm is revealed to be involved with the multi-million dollar heist.
20	20	"Dead Man's Switch"	Larry Teng	Story by: Christopher Silber Teleplay by: Liz Friedman & Christopher Silber	April 25, 2013	10.07[25]
Sherlock's first anniversary of being sober is approaching, an event Watson thinks Sherlock should celebrate. Uninterested in giving the day any special recognition (he finds celebrating the measurement of time as pointless) he spends it doing business as usual as he and Joan hunt for the accomplice of a murdered blackmailer who targeted families of rape victims. Note: the blackmailer is based on the villain in the Conan Doyle story "The Adventure of Charles Augustus Milverton".
21	21	"A Landmark Story"	Peter Werner	Corinne Brinkerhoff	May 2, 2013	9.75[26]
Sherlock is given a hint by Sebastian Moran, aka "M". He looks into well-disguised murders and catches a serial killer named Daniel Gottlieb (F. Murray Abraham), who was hired by Moriarty's agents. With Gottlieb's help, Holmes finds the man who hired him who has seen Moriarty, but that man is then murdered. Moran commits suicide, after Moriarty lets him choose between his own death and his sister's death. At the end of the episode, a phone rings; it is Moriarty calling Holmes.
22	22	"Risk Management"	Adam Davidson	Story by: Liz Friedman & Robert Doherty Teleplay by: Liz Friedman	May 9, 2013	9.29[27]
Moriarty calls Holmes to have him look into the several-month-old unsolved murder of a mechanic; in exchange, he offers to give Holmes answers concerning Irene Adler's fate. Holmes learns the mechanic was surveiled by a private security firm whose founder's sister was killed 20 years ago. The security expert confesses to the mechanic's murder, but Moriarty says the murderer has not been found. Holmes discovers that the security expert did not see the murderer flee 20 years ago. It was instead his wife who saw the murderer. When her husband's mental health was failing, she convinced him that the lookalike mechanic was the murderer; this revenge stabilized his mental health. It is proven that the mechanic was innocent, having been out of the country at the time of the sister's death. The security expert's wife is also arrested for the mechanic's murder. In payment, Sherlock receives an address and a choice to lead a safe life or find out about Irene. He lies to Watson, who sees through this and joins him. The pair discover a traumatized Irene (Natalie Dormer) in an abandoned house.
23	23	"The Woman"	Seith Mann	Robert Doherty & Craig Sweeny	May 16, 2013	8.98[28]
Flashbacks reveal Sherlock's meeting with Irene two years ago and their subsequent relationship, including her "preserving" antique works of art by returning to museums her forgeries of paintings rather than restored originals. Irene was psychologically tortured for the past eighteen months which she believes to have been seven years. Holmes decides to send Irene away to keep her safe but she counters that they go together. He agrees but then notices a mole is missing from Irene's back and concludes it was removed to avoid it turning cancerous- which Moriarty would not care about, unless she was working for Moriarty. Berating him for not trusting her, Irene storms out. One of Moriarty's agents discovers he is to be killed, but defeats his assassins and returns to kill Holmes (in defiance of Moriarty's orders). The agent wounds Holmes and reveals to him that Moriarty is a woman. Before Holmes can be shot a second time the agent is shot and killed by Irene, who now talks with a British accent. Holmes realizes she is Moriarty.
24	24	"Heroine"	John Polson	Robert Doherty & Craig Sweeny	May 16, 2013	8.98[28]
Moriarty reveals that she faked her murder to distract Holmes from interfering with her plans, though she did not anticipate his drug overdose. She asks him to let her win and then he can have the USA to himself. Holmes uncovers her plan to have the father (Arnold Vosloo) of a woman she has kidnapped murder a man associated with the Macedonian naming dispute in order to make one billion dollars trading in currency. He fails to stop the murders, however and vents his rage against Watson and Captain Gregson. Holmes overdoses on drugs and Moriarty visits him in hospital. She confesses to her part in the murder and invites him to leave the country with her and she will heal him. Holmes reveals Watson analysed Moriarty's behavior and concluded that she was, in fact, in love with Holmes and thus would return to him; they relied on Moriarty's agents to witness his wild behavior and let her think she'd won. He then reveals that the overdose was faked and Moriarty is arrested, Holmes having recorded their conversation.

Season 2 (2013–14)

No. in series	No. in season	Title	Directed by	Written by	Original air date	U.S. viewers (millions)
25	1	"Step Nine"	John Polson	Robert Doherty & Craig Sweeny	September 26, 2013	10.18[29]
Holmes and Watson travel to London to find Holmes' former police partner, Lestrade (Sean Pertwee), who's gone into hiding after threatening a murder suspect with a grenade. While there, they discover that Mycroft (Rhys Ifans), Sherlock's brother, now lives at 221B Baker Street, Holmes' former residence. Holmes sets out to prove Lestrade's suspicions right while coming to an understanding with his estranged sibling.
26	2	"Solve for X"	Jerry Levine	Jeffrey Paul King	October 3, 2013	9.38[30]
The murder of a mathematician seems to revolve around the mathematical problem P versus NP. On the walls of the victim's home, Sherlock discovers the critical equations, which are only visible under illumination by black light. One of his irregulars, a mathematical professor, provides information that cracks the case. The solution is worth not only $1 million, but has implications for digital encryption and national security. Meanwhile, Watson is conflicted when the son of a former patient approaches her for a loan.
27	3	"We Are Everyone"	Michael Pressman	Craig Sweeny	October 10, 2013	9.06[31]
Holmes and Watson try to find a hacker who has been leaking classified government information and get more than they sought out for. With murders troubling Holmes and cyber terrorists interfering with their personal lives, coupled with a framejob that brings the CIA knocking on their doors, the detectives find themselves caught in the new world of technology. As the episode ends, Sherlock secretly reads a letter he received from his nemesis, Jamie Moriarty.
28	4	"Poison Pen"	Andrew Bernstein	Liz Friedman	October 17, 2013	8.52[32]
After a wealthy man's body is found in an apartment, Joan and Sherlock agree to take on the case. At first it seems that money was the motive of the man's murder, but as the pair investigate further, they discover that the victim was vastly unpopular, with business partners and family members alike planning to humiliate and harm him. Meanwhile Sherlock reunites with an old friend who helped him through a difficult time as a child, but she soon becomes one of their top suspects.
29	5	"Ancient History"	Sanaa Hamri	Jason Tracey	October 24, 2013	8.72[33]
During a murder dry spell, one of Joan's friends asks her to ascertain the identity of a year-old one night stand. Meanwhile, Sherlock wheedles his and Joan's way into a morgue to dig through corpses for an interesting case. The victim of a motorcycle accident leads the detectives on a chase for another victim, Sherlock recognizing that someone else was killed before the man himself died in the accident. The investigation takes a more interesting turn when they uncover a connection to the Russian mafia.
30	6	"An Unnatural Arrangement"	Christine Moore	Cathryn Humphris	October 31, 2013	9.47[34]
When Captain Gregson's home is invaded, Holmes and Watson join the investigation. When several men with military backgrounds are murdered with the same MO, they start to suspect that Gregson may not to be the target. Gregson's colleagues learn that he and his wife have separated. Meanwhile, Holmes and Watson argue about the meaning of partnership. At the end of the episode, Gregson resolves not to give up on his marriage, while Holmes encourages Watson to examine the cases which he could not solve.
31	7	"The Marchioness"	Sanaa Hamri	Christopher Hollier & Craig Sweeny	November 7, 2013	8.89[35]
Sherlock is surprised to see his brother in New York City and is further surprised when Mycroft asks for his and Joan's help with a case involving Mycroft's former fiancee, Nigella Mason (Olivia d'Abo), aka "The Marchioness". Nigella has married and divorced, and in her settlement is ownership of Silver Blaze, a famous racehorse. When someone tries to poison the horse and assassinate Nigella, the investigators discover a link between the cutthroat world of horse racing and one of the most elusive assassins in the drug world.
32	8	"Blood Is Thicker"	John Polson	Bob Goodman	November 14, 2013	8.54[36]
The NYPD investigates the death of Haley Tyler, who was stabbed before she fell off of a balcony and landed on a truck. Haley was the apparent mistress of technology mogul Ian Gale (William Sadler), whom Sherlock and Watson are unable to locate until they learn that he is dying and in need of a transplant. Gale reveals to them that Haley was not his mistress, but rather his illegitimate daughter as a result of a one-night stand during his early years of success. Evidence points to Gale's wife (Margaret Colin) due to an inheritance agreement to Haley, as well as medical precision used during the murder - however, Mrs. Gale's arguments during an interrogation are valid and she informs Watson that she arranged the inheritance agreement herself. The detectives locate Haley's former boyfriend, and though the man is innocent, he informs them that Haley was suffering from a sickness. Ian Gale dies, prompting Sherlock, Watson and the NYPD to confront Mrs. Gale at her home with the murder of both Haley and her husband: she injected Haley with a poisonous medicine that would also poison Ian during the resulting transfusion, and Haley was killed to remove loose ends. In a subplot, Mycroft, who plans to return to London soon, proposes to Sherlock that he come along, as their father apparently desires it. Sherlock shares this to Watson and takes time to contemplate it, even favoring it at one point, but ultimately decides against it with a letter he sends to Mycroft. However, implying that he lied to Sherlock and wants him out of New York for other reasons.
33	9	"On the Line"	Guy Ferland	Jason Tracey	November 21, 2013	9.24[37]
A young woman, Samantha Wabash, commits suicide by shooting herself while on a bridge, staging her death to look like murder in order to implicate Lucas Bundsch as her killer. Samantha believes that Lucas is responsible for her sister’s death and that by framing him for her own "murder" the police will arrest him. Her plan fails when Holmes easily deduces that her death was a suicide. Lucas is exonerated further still when he manages to pass a polygraph test. What started out as one woman's desperate attempt to get justice for her murdered sister quickly escalates into a battle of wits with a serial killer who has managed to stay under the radar for years.
34	10	"Tremors"	Aaron Lipstadt	Liz Friedman	December 5, 2013	8.29[38]
A typical day at the police station, a schizophrenic man wanders in with a gun and Sherlock manages to defuse the situation by noticing a scarf on the man's wrist and playing along with his delusions. The story is being told by Sherlock in a hearing. Bell is shot, protecting Holmes, by a man whom Holmes annoyed during an investigation. Holmes and Watson are now to testify at a hearing formed to recommend whether or not the pair should be kept on as consultants to the NYPD. Bell ultimately saves their careers but, resentful of Holmes, refuses to talk to him.
35	11	"Internal Audit"	Jerry Levine	Bob Goodman	December 12, 2013	9.09[39]
The murder of a pyramid schemer ostensibly is the work of a vengeful investor, but after a reporter connected to him is also found dead, the trail leads to a charity being used as a front. Watson encounters a former client of hers at the victim's home, while Alfredo attempts to convince Holmes to take on a sponsee. Deputy Commissioner Da Silva offers Bell a transfer to another unit.
36	12	"The Diabolical Kind"	Larry Teng	Robert Doherty & Craig Sweeny	January 2, 2014	9.04[40]
When Sherlock deduces that a former henchman of Moriarty's is behind a child kidnapping, Moriarty is brought in, with electroshock restraints, to help track down the kidnappers. Watson can see Sherlock is still struggling with his conflicting feelings for Moriarty, but is also annoyed they've been discussing Watson's love life in their letters. It is discovered that Moriarty's agent has gone rogue, and that the child in question is actually Moriarty's daughter. After disabling her restraints, escaping and killing all her daughter's abductors, a badly injured Moriarty allows Sherlock to take her back into custody, predicting she will be free soon. Sherlock realizes she may have started to redeem herself.
37	13	"All in the Family"	Andrew Bernstein	Jason Tracey	January 9, 2014	9.97[41]
Bell, on his new job, inspects some barrels at a port and discovers a decapitated corpse in one. Watson identifies the victim as a mobster who had gone into hiding. She and Sherlock must hurry to find his killer before a mob war breaks out. Bell's resentment towards Holmes begins to fade.
38	14	"Dead Clade Walking"	Helen Shaver	Jeffrey Paul King	January 30, 2014	10.34[42]
Watson reopens an old murder case that Sherlock, when still using, had not been able to solve; she discovers a rare fossil lies at the heart of the case. Meanwhile, Sherlock's sponsee Randy is worried about using again when his old friend, an addict, comes back to live with him.
39	15	"Corpse de Ballet"	Jean de Segonzac	Liz Friedman	February 6, 2014	9.45[43]
During a stage rehearsal for a ballet performance, the severed corpse of up-and-coming ballerina Nell Solange falls from the rigging. The investigation leads to prima donna ballerina Iris Lanzer, whose presence evokes a “fanboy” reaction in Sherlock. Sherlock deduces someone is attempting to frame Ms. Lanzer for the murder; meanwhile Watson, out of deeply personal reasons, tracks down a missing homeless man.
40	16	"The One Percent Solution"	Guy Ferland	Story by: Bob Goodman & Craig Sweeny Teleplay by: Craig Sweeny	February 27, 2014	8.66[44]
After a bomb goes off in a restaurant, Holmes and Watson's investigation runs them right up against a particularly obnoxious Lestrade, now in New York as a "security czar" for a misogynistic CEO who becomes one of their suspects. Holmes acquires a pair of roosters from a cockfight and starts trying to rid them of their aggressive behavior, much to Watson's annoyance.
41	17	"Ears to You"	Seith Mann	Lauren MacKenzie & Andrew Gettens	March 6, 2014	8.54[45]
When Gordon Cushing receives a parcel with two severed ears in it, it seems his missing wife Sarah Cushing may still be alive and that he did not kill her four years earlier. As Holmes investigates, Watson tries to help Lestrade to no longer feel like a failure.
42	18	"The Hound of the Cancer Cells"	Michael Slovis	Bob Goodman	March 13, 2014	8.94[46]
Holmes and Watson investigate the death by helium poisoning of a researcher who had been testing the "hound", a breathalyzer for detecting cancer. Bell, recovered from his injury and returned to field duty, asks Watson to track down a missing witness to a street killing. Note: The episode's title is based on the Conan Doyle novel The Hound of the Baskervilles.
43	19	"The Many Mouths of Aaron Colville"	Larry Teng	Jason Tracey	April 3, 2014	7.83[47]
After new cases surface of bodies with bite marks, Watson wonders if Aaron Colville, the man suspected of similar murders a decade ago but who died on the operating table of the surgeon she was assisting at the time, was innocent.
44	20	"No Lack of Void"	Sanaa Hamri	Liz Friedman & Jeffrey Paul King	April 10, 2014	7.90[48]
Holmes and Watson investigate the death by anthrax poisoning of a man in a holding cell at Gregson's station. Holmes learns that his old friend Alistair has died.
45	21	"The Man With the Twisted Lip"	Seith Mann	Story by: Steve Gottfried Teleplay by: Craig Sweeny & Steve Gottfried	April 24, 2014	8.13[49]
Sherlock and Watson investigate the disappearance of the sister of a woman who frequents Sherlock's sobriety meetings. Upon arrival at the brownstone, they are surprised by Mycroft, who has returned to New York, apparently to focus on his Diogenes restaurant chain. They have dinner with him, and the following day, he proposes a relationship with Watson. While taking time to consider it, Watson meets with Sherlock at a park he found based on a clue in one of Paige's songs. Upon investigation, the pair find not one, but two bodies, one being Paige's and the other of a man, Zach Piller, who they learn manufactured UAVs for a company called McCarthy-Strauss. Sherlock visits Mycroft at Diogenes to discuss Watson, but notices a shady-looking man at a corner table who frequents the restaurant. Sherlock later identifies this man as one Guillaume de Soto, a high-ranking member of a French drug cartel and gang called Le Milieu. He captures an insect-like drone that was spying on him in the brownstone, realizing that the two victims were killed by the drones Zach Piller manufactured. They learn from Piller's psychiatrist that he accidentally massacred ten undercover CIA agents in Afghanistan and subsequently wrote a report on it out of guilt. During the interrogating, the psychiatrist is poisoned by another drone. Formulating a plan to incriminate McCarthy-Strauss, Sherlock waits at a pier to meet with the business executive that Piller's report belongs to while Watson breaks into the executive's office and steals the report. She calls the executive and reads the report out to him, incriminating him. That night, Watson, who has taken interest in investigating Le Milieu, follows de Soto's contact (Henri Lubatti) outside Diogenes after he receives an envelope. She retrieves the envelope but finds a picture of her inside, right before the man knocks her out with chloroform and kidnaps her.
46	22	"Paint It Black"	Lucy Liu	Robert Hewitt Wolfe	May 1, 2014	7.79[50]
Shortly after Watson is kidnapped, Mycroft receives a call from the kidnapper and informs Sherlock of the situation, which enrages him. Mycroft explains to a disgusted Sherlock that Le Milieu offered him money to open up a Diogenes joint in New York to serve as their headquarters, followed by a series of requests. The two learn of one Pierce Norman, a Swiss bank executive who plans to sell a list of thousands of the bank executives' names and info to the black market. They investigate the bank and also learn that the NSA is onto Norman, with Sherlock intent on getting to him first. Norman's boyfriend points them to a remote home his lover owned, but the Holmes brothers find Norman's corpse buried in the yard. Mycroft is distraught until Sherlock finds an insect pupa, which he knows had to have grown over the course of eight days. He realizes that Norman was killed before the list was downloaded, and was framed. That night, they track down the real perpetrator, Norman's head of security Kurt Yoder (Michael Gaston). Yoder is interrogated that night at the brownstone and eventually tells them of the hard drive the list is on. After recovering it, Sherlock decides to call the NSA, fearing that Le Milieu will betray them, but Mycroft, who is under orders from an unnamed British contact, incapacitates Sherlock with a taser and heads out to meet with the dealers, while the NSA later refuses Sherlock's requests to save Watson. Mycroft, meanwhile, gives Yoder and the list to the dealers, but de Soto orders them killed. Mycroft suddenly calls in paramilitary forces, who gun down the dealers, including de Soto. He apologizes to a shocked Watson and says they have a lot to talk about.
47	23	"Art in the Blood"	Guy Ferland	Bob Goodman	May 8, 2014	7.54[51]
Sherlock returns home to find Watson safe, and Mycroft reveals that he is working for MI6. The brothers have a talk, in which Mycroft discloses that MI6 utilized his observational skills to investigate criminal groups such as Le Milieu, and that his handler wanted Sherlock out of New York. The two then meet with the handler, Tim Sherrington (Ralph Brown), who employs Sherlock with a murder case involving one Andrew West, an undercover MI6 analyst. West's body in the morgue is shown to have the arms severed and stolen. The two visit West's wife, Marion (Emily Bergl) and learn that she is a tattoo artist; Sherlock later deduces that West's arms were tattooed using invisible ink, thus providing motive for someone to steal them. Watson, meanwhile, angrily rejects Mycroft for his deception. Marion visits the Brownstone to inform Sherlock that she was aware of West's activities, which West divulged out of paranoia and reassurance of his sanity to her, given that he was diagnosed with bipolar disorder. Showing them photos of West's arms tattooed with numbers, Marion explains that West was confident of a mole working within MI6, communicating with one Julian Afkhami, a local bookstore owner. Watson later tells Sherlock she plans to move out of the brownstone, which Sherlock dismisses as a mere emotional repercussion following her kidnapping. The following morning, Sherrington meets with Sherlock at a park, and eventually offers him a job at MI6. Marion, meanwhile, tells Watson about one "Sudomo Han", who Watson visits Mycroft to ask about. She is shocked to learn that Mycroft joined MI6 to protect his brother, who unwittingly made himself Han's associate, not knowing that Han was a terrorist. Moved, she kisses Mycroft and the two eventually have sex. Elsewhere, Sherlock learns from the NYPD that the gun used to kill West led to untraceable fingerprints bearing a distinctive scar. Immediately identifying the prints as Mycroft's, Sherlock visits his brother's home to inform him that he is being framed as the mole.
48	24	"The Grand Experiment"	John Polson	Robert Doherty & Craig Sweeny	May 15, 2014	7.37[52]
Sherlock informs Mycroft that he is being framed as the mole, and relocates him and Watson to a vacant, remote library accessible to Sherlock. While he stalls MI6 with fraudulent "updates", Sherlock continues his investigation into Andrew West. Sherlock and Watson discover that West's arm tattoos signified dates, times and locations mapping out the mole's whereabouts, and present their evidence to Mycroft, who notices that he was in every listed location at the corresponding dates and times. Realizing he is being framed because the mole was in the same places as Mycroft, Watson names Mycroft's handler Sherrington as the mole; they decide to keep it quiet until the time comes. Sherrington, however, visits Watson at the Brownstone to confront her, but Watson, who is keeping members of the hacktivist group "Everyone" on a video chat to incriminate him, calls it a draw and sends him away. In the meantime, Sherlock learns that Sherrington made seventeen calls to his contact, Iranian Julian Afkhami, feeding information to the Iranian government. Watson confronts Sherlock about Sudomo Han and his history with Mycroft, which Sherlock brings to his brother as a means for forgiveness. Sherlock and Watson investigate a murder believed to be linked to Afkhami and incriminate him to the NYPD, presenting evidence that he stoned his wife's lover to death, and get him arrested. Mycroft visits Sherrington at a restaurant and learns from Sherrington that he betrayed MI6 because of a lack of promotions or respect. Shortly afterwards, the NYPD finds Sherrington's corpse, which Sherlock confronts Mycroft about at the Brownstone. Mycroft informs him and Watson that he made a deal with the NSA for them to kill Sherrington and fake Mycroft's own death, thus making him disappear to protect him from Le Milieu. Watson is deeply saddened while Mycroft emotionally apologizes to an unmoved Sherlock. While Watson makes plans to move into a new apartment, Sherlock visits MI6 to tell them he is willing to enlist in the organization.

Season 3 (2014–15)

No. in series	No. in season	Title	Directed by	Written by	Original air date	U.S. viewers (millions)
49	1	"Enough Nemesis to Go Around"	John Polson	Robert Doherty & Craig Sweeny	October 30, 2014	7.57[53]
Six months after Watson has moved out, she is running her own investigation firm and helps bust female drug kingpin Elana March (Gina Gershon). Two months later, the case has gone stagnant and the key witness in the prosecution of the kingpin is murdered in a secure hotel elevator. To her surprise, Watson discovers Sherlock has returned with a new protege named Kitty Winter (Ophelia Lovibond), and is working on the case as well after being fired from MI6. Watson realizes Kitty works with Sherlock after defeating her in a singlestick confrontation. The three must find a way to get along and work together while finding the murderer, a skilled hit man(Brennan Brown).
50	2	"The Five Orange Pipz"	Larry Teng	Bob Goodman	November 6, 2014	7.07[54]
A double murder appears to be revenge for the deaths of children poisoned by toy beads made with BHP. The father of one of the children confesses, but Sherlock deduces that the confession is false. Evidence against the maker of the beads has gone missing, which complicates understanding of the motivation for the crime. Kitty feels sidelined watching Sherlock and Joan unravel the mystery.
51	3	"Just a Regular Irregular"	Jerry Levine	Robert Hewitt Wolfe	November 13, 2014	6.53[55]
Mathematician Harlan Emple (Rich Sommer, "Solve for X") comes across a dead body packed in mothballs while participating in a "math hunt", a number game with a puzzle involving Belphegor's prime. When another body is found, it's believed that the game is intended to be a death trap for mathematicians. Meanwhile, Joan tries to convince Kitty, who was a rape victim, to join a support group.
52	4	"Bella"	Guy Ferland	Craig Sweeny	November 20, 2014	6.49[56]
Software developer Edwin Borstein has created an artificial intelligence program called Bella, and he hires Sherlock because someone has broken into his company and made a copy of the program. Sherlock solves the theft case, but then Borstein dies from a fatal epileptic seizure, seemingly caused by Bella. Meanwhile, Joan's boyfriend Andrew receives a job offer that would take him to Copenhagen, and Joan wonders if Sherlock is responsible for it.
53	5	"Rip Off"	John Polson	Jason Tracey	November 27, 2014	6.11[57]
Sherlock and Kitty are called in when a severed hand is found in the street; this leads them into a case involving smuggled diamonds and murder. Also, Sherlock has Kitty sign a non-disclosure agreement because he'd discovered that Joan had written (but not published) a book titled The Casebook of Sherlock Holmes. Meanwhile, tensions are high between Gregson and his police officer daughter because he had punched a male officer who had hit her.
54	6	"Terra Pericolosa"	Aaron Lipstadt	Story by: Bob Goodman & Jeffrey Paul King Teleplay by: Bob Goodman	December 4, 2014	6.59[58]
Shortly after coming to the scene of a cartographic murder, Kitty, Sherlock, and Watson uncover a plot to misconstrue border lines that affect the viability of a billion-dollar casino, envisioned by billionaire real estate mogul William Hull(Skipp Sudduth).
55	7	"The Adventure of the Nutmeg Concoction"	Christine Moore	Peter Ocko	December 11, 2014	7.63[59]
Joan is hired to find a woman who had mysteriously disappeared five years ago. Joan, Sherlock, and Kitty soon find themselves investigating several disappearances which all had one clue in common: the smell of nutmeg.
56	8	"End of Watch"	Ron Fortunato	Robert Hewitt Wolfe	December 18, 2014	7.57[60]
Sherlock, Kitty, and Joan investigate the murder of a Highway Patrol officer, whose sidearm has been replaced with an airsoft gun, and uncover a connection to a wanted arms dealer.
57	9	"The Eternity Injection"	Larry Teng	Craig Sweeny	January 8, 2015	8.60[61]
When a nurse Watson used to work with asks for her help finding their missing acquaintance, the woman's trail leads Watson and Holmes to another person who has disappeared. Further investigation uncovers evidence of an ongoing illegal drug trial of a novel substance known as EZM-77. Despite his sponsor's concerns, Sherlock struggles with his sobriety, finding the recovery process monotonous ("the incessant drip-drip-drip of existence").
58	10	"Seed Money"	John Polson	Brian Rodenbeck	January 15, 2015	8.09[62]
A gifted genetic botanist is found killed by a cartel's signature method. The investigation leads to a backroom deal between the cartel and a high-powered agriculture firm over the botanist's expertise. In the denouement, Captain Gregson alerts Holmes to a body whose scarring resembles Kitty's.
59	11	"The Illustrious Client"	Guy Ferland	Jason Tracey	January 22, 2015	8.28[63]
Holmes and Watson delve into the background of the murdered woman Holmes was alerted to whose premortum injuries resemble Kitty's conditions during captivity. She had gone missing and her parents suspected her fiance. Watson retrieves a burner phone from a bar the woman was at previously, leading the NYPD to a suspect, Simon DeMerville (P.J. Sosko). Simon is found to be a working for a brothel that kidnaps illegal immigrants, and inspection of his property yields the discovery of the body of one of the brothel's suppliers, among numerous women. The detectives suspect Simon was injured during the confrontation and went to his sister Violet (Tammy Blanchard) for medical assistance. Suspecting Violet of knowing more than she claims to know, Kitty visits her house and beats her into cooperating with the NYPD, resulting in Violet making a call to Simon to allow the NYPD to triangulate the call. Holmes deduces that Simon is aboard a boat, which the NYPD learns is owned by a local bartender (David Valcin) who is an old acquaintance of Simon. However, the bartender's house (where Simon's boat is being kept) is found scorched with Simon's body inside. At the morgue, Kitty inspects the body and learns that Simon was not her rapist, as she had broken her captor's fingers in her escape, and Simon's fingers are intact. Later, Watson, who has successfully settled into her new job at the insurance firm, makes a call to her new boss, Del Gruner (Stuart Townsend). Kitty, overhearing the conversation, becomes distraught when she recognizes Gruner's voice, and names him as her tormentor.
60	12	"The One That Got Away"	Seith Mann	Robert Doherty	January 29, 2015	7.69[64]
All parties' suspicions rouse when Del Gruner abruptly fires Watson from her job. His questioning at the NYPD proves unsuccessful, so Holmes begins exploring the backgrounds of various kidnapped women subject to Gruner's M.O. They track down a woman named Tabitha Laird, a coworker of Gruner's at a charity he donates to. Watson attends a gala for the charity in which both Laird and Gruner are present, and the latter grabs her arm and threatens her as she leaves. After Watson suspects a deeper connection between Gruner and Laird, Holmes learns that Laird's adoptive son is in fact the biological child of Gruner and one of his rape victims on Holmes' list. Though the NYPD has something to incriminate Gruner with, Kitty lies to Holmes about leaving New York and captures Gruner. She prepares to kill him and dissolve his body using a recreation of the nutmeg concoction featured in "The Adventure of the Nutmeg Concoction", but Holmes arrives - rather than talking her out of killing Gruner, he compares her situation with his, and tells her that she will always be his friend. Kitty becomes emotional and relents from killing Gruner, but instead burns his face off using the concoction and leaves him to be found by the NYPD. She later leaves for an unknown location. Throughout the episodes, flashbacks chronicle the origin of Holmes and Kitty's partnership in London eight months ago. Holmes becomes emotional after Kitty leaves in anger (when Holmes repeatedly criticizes her), but she returns, relieving Holmes and prompting him to discard the packet of heroin he stole from before.
61	13	"Hemlock"	Christine Moore	Arika Lisanne Mittman	February 5, 2015	7.87[65]
Sherlock and Joan investigate the disappearance of a lawyer who had, unbeknown to his wife, become a debt merchant. Joan, dissatisfied with her relationship with Andrew, has her break-up conversation tragically interrupted.
62	14	"The Female of the Species"	Lucy Liu	Jeffrey Paul King	February 12, 2015	7.91[66]
As Joan mourns Andrew's death, Sherlock enlists Detective Bell to help him find two missing zebras...with surprise pregnancies—a previously extinct subspecies known as quagga. A trademarked color provides the first clue that leads to the thief, an employee of the zoo. Later, Watson receives a letter from Moriarty, and tells Holmes that she wants to move back into the Brownstone.
63	15	"When Your Number's Up"	Jerry Levine	Bob Goodman	February 19, 2015	8.21[67]
A woman manipulates an airline by murdering the family members of victims of a plane crash in order to get a larger payout for herself. Watson decides to take over the brownstone's basement as her workspace.
64	16	"For All You Know"	Guy Ferland	Peter Ocko	March 5, 2015	7.67[68]
Sherlock's past comes back to haunt him as he is accused of murdering an innocent woman during a drug-induced blackout a few years ago.
65	17	"T-Bone and the Iceman"	Michael Slovis	Jason Tracey	March 12, 2015	7.58[69]
Sherlock and Watson work on the case of a young woman who has been killed and then mummified by refrigerant. Their investigation leads them to a cryogenic facility where the frozen corpse of another murder-victim went missing. Meanwhile, Watson is facing problems in her family life.
66	18	"The View From Olympus"	Seith Mann	Story by: Jordan Rosenberg Teleplay by: Bob Goodman	April 2, 2015	7.48[70]
A young man is murdered in what Sherlock and Joan suspect to be a case of company rivalry. The case soon becomes linked with a ride-sharing company that may be invading customers' privacy. Sherlock's life is complicated further by an old friend of his who makes a daunting request of him.
67	19	"One Watson, One Holmes"	John Polson	Robert Hewitt Wolfe	April 9, 2015	7.03[71]
A prominent member of Everyone, an internet activist hacker group, is murdered shortly after another member tells Sherlock about the "civil war" state that the group is currently in. Sherlock and Watson delve deep into discovering many activists' hidden identities, beginning with the identification of one hacker's "fist", a distinctive style used to identify individual telegraph operators in a bygone era. Sherlock becomes concerned for Joan after she loses interest in a social life and wants to isolate herself.
68	20	"A Stitch in Time"	Ron Fortunato	Peter Ocko	April 16, 2015	7.56[72]
Holmes and Watson investigate the murder of a professional debunker and uncover a potential threat to homeland security. Gregson's daughter needs help with a case and asks Joan for help, but ignores Joan's suggestion on how to handle it.
69	21	"Under My Skin"	Aaron Lipstadt	Jeffrey Paul King	April 23, 2015	7.73[73]
The double murder of two paramedics, and the subsequent abduction of their injured patient leads Holmes and Watson to investigate a drug cartel. Meanwhile, Sherlock also handles a crisis involving his AA sponsor, Alfredo.
70	22	"The Best Way Out Is Always Through"	Michael Slovis	Arika Lisanne Mittman	April 30, 2015	7.03[74]
When a judge is murdered supposedly by the woman he sentenced, Sherlock and Watson begin to find that things are not always as they seem. Another murder raises the stakes as the detectives try to see beyond a criminal's tricks. While working the case, Detective Marcus Bell must make a decision after realizing there is more to his girlfriend than he thought there was.
71	23	"Absconded"	Guy Ferland	Jason Tracey	May 7, 2015	6.92[75]
When an inspector for the USDA is murdered while attending to an apiary of bees, Sherlock suspects AgriNext is behind it. But when the murder is resolved fairly quickly, a larger and more sinister plot begins to reveal itself. Meanwhile, Captain Gregson is faced with a tempting offer that causes him to carefully consider his future with the 11th.
72	24	"A Controlled Descent"	John Polson	Robert Doherty	May 14, 2015	6.96[76]
Heroin addict Oscar Rankin (from the episode "For All You Know") kidnaps Alfredo and will only say where he is if Sherlock finds Oscar's missing sister Olivia. The search for Olivia takes Sherlock on a dangerous stroll down memory lane regarding his own addiction, including visits to his former rehabilitation center and an active heroin den, and exposes him to the temptation of relapse.

Season 4 (2015–16)

No. in series	No. in season	Title	Directed by	Written by	Original air date	U.S. viewers (millions)
73	1	"The Past Is Parent"	John Polson	Robert Doherty	November 5, 2015	5.58[77]
Sherlock is determined to continue his sobriety, but the threat of a prison sentence for beating Oscar Rankin nearly to death hangs over his head. Finding out from Captain Gregson that he and Watson are fired from the police department, Sherlock keeps them both focused on a case of two missing women from 2010. Although he gets some help from an NSA contact during the case, his acerbic request for employment is rebuffed. Sherlock's father doesn't show up for a meeting, but Watson receives a call from one of his associates predicting a visit as early as the following week. She responds that she and Sherlock are busy, too, and don't deserve to be left hanging. Sherlock is not charged with any crime and, when the case concludes in New Jersey, Watson suggests working for a different police department. Back at the brownstone, Sherlock meets his father, who says that he has come to clean up Sherlock's mess.
74	2	"Evidence of Things Not Seen"	Ron Fortunato	Jason Tracey	November 12, 2015	5.16[78]
Sherlock's father, Morland Holmes, offers to reinstate him and Watson at the department. The next day, Watson and Sherlock begin investigating a triple homicide at a neuroeconomics research facility under the supervision of FBI agent Gary Burke, but find themselves at loose ends due to the FBI's compartmentalization of tasks during the case. Watson is skeptical of Morland's offer and Sherlock explains that dealings with him always involve a cost. Watson meets with Morland and is struck by his sincerity in supporting her partnership with Sherlock. The case is wrapped up and Sherlock takes his father's offer, but Watson discovers that Morland manipulated the DA into dropping the charges and warns him that she won't let him hurt Sherlock.
75	3	"Tag, You're Me"	Christine Moore	Bob Goodman	November 19, 2015	5.61[79]
The department investigates the murder of two men, one of whom appeared to be impersonating the other. Meanwhile, Sherlock confronts Morland about his continued presence in New York and agrees to help him with a "puzzle" to hasten his departure. While Watson and Detective Bell investigate a facial recognition system that is being used to find doppelgangers, Sherlock attends a dinner party to investigate a woman who holds an injunction against one of Morland's potential business ventures. Afterwards, Morland tries to reconcile with his son, saying that he intends to stay in New York indefinitely and hopes to work with Sherlock again.
76	4	"All My Exes Live in Essex"	Michael Pressman	Robert Hewitt Wolfe	November 26, 2015	5.32[80]
Sherlock and Watson investigate a missing lab technician who works in the fertility clinic of the hospital where Watson used to work. The woman's skeleton is found stripped and assembled as an educational tool for medical students. Meanwhile, Watson meets with an old friend and finds out that a Detective Cortez has been asking questions about her. It turns out that the victim was in a group marriage with two doctors who reveal that she was dying of pancreatic cancer. It is then revealed that one of her husbands had been misdiagnosing people with cancer. She noticed when she was receiving chemo in his clinic, so he murdered her. When Watson confronts Cortez, the woman voices a dislike of consultants investigating cops and suspicions about Sherlock and Watson's sudden return to the force. Watson has a boxing match with her as a way of approaching her as an equal.
77	5	"The Games Underfoot"	Alex Chapple	Arika Lisanne Mittman	December 10, 2015	5.00[81]
Alfredo tells Joan that Sherlock has been avoiding him. The case of a dead archaeologist presents new mysteries as the detectives find out that he was digging up an old landfill from the 1980s. The man was searching for Nottingham Knights, an old video game from the 1980s that was never released because of monumentally bad advance reviews. Joan tells Sherlock about Alfredo, so Sherlock pays him a visit and tells him that he needs new routines to keep up his sobriety. When the video games turn up elsewhere, Watson goes searching for another lead from the landfill and finds a chemical company that was illegally dumping toxic chemicals. The land owner had the archaeologist killed to prevent him from revealing the chemicals and blowing a multi-million dollar deal. Sherlock realizes that Alfredo's been going to more meetings than usual and the two rekindle their friendship.
78	6	"The Cost of Doing Business"	Aaron Lipstadt	Jason Tracey	December 17, 2015	5.92[82]
A sniper shoots nine people, killing four, in the financial district and Morland visits Sherlock at the Brownstone to offer his help. Although the shooting appears random, it is too precise, concealing the true target. Morland's contact in Interpol, Lukas, finds out that shooter-for-hire Gagnier was paid in a Swiss bank account by a shell subsidiary of Dynastic Energies. The CEO of Dynastic Energies, Bill Wellstone, was having an affair with his lawyer's wife, Sarah; he found out that she had left him for plumber Frank Bova, the true target of the shooting. Wellstone had used a golf bag to smuggle the sniper's weapon into the building, leaving behind gun oil residue that becomes evidence. Afterward, Morland has a 'dinner' with Lukas, who voices his suspicion that Morland has not been helping Sherlock out of goodness but rather is risking Sherlock's life. Lukas demands 5 million Euros to keep his mouth shut, at which point Morland heavily implies that he had Lukas' predecessor killed for a similar transgression.
79	7	"Miss Taken"	Guy Ferland	Tamara Jaron	January 7, 2016	6.71[83]
Retired FBI agent Robert Underhill is found pulverized by a wood-chipper. Joan confronts her stepfather about writing a book about her and Sherlock and asks him to get the publisher to recall it. Sherlock and Joan look into the cases Underhill was re-examining and find that of Mina Davenport, a kidnapping victim who escaped her captor 14 months prior. Sherlock determines that the woman claiming to be Mina is an impostor. She reveals herself as a girl named Cassie who is conning the Davenports for Mina's trust fund but now believes they actually killed their daughter. Not trusting her, Sherlock instigates further investigation, finding blood in the Davenports' car. Joan reveals that her stepfather cheated on her mother; he comes to apologize to her and gives her the manuscript for his sequel, saying he just wanted to feel close to her again. Richard Davenport confesses to Underhill's murder, but Sherlock realizes that Cassie had attacked the real Mina and probably killed the agent. The NYPD is able to find Mina. Joan returns her dad's manuscript with notes and an offer to help while, at the police station, Sherlock confronts "Cassie," who says she will be found innocent.
80	8	"A Burden of Blood"	Christine Moore	Nick Thiel	January 14, 2016	5.98[84]
A woman by the name of Ellen Jacobs, two months pregnant, is found suffocated in her car by a plastic bag. When the detectives discover that her husband could not have been the father, they begin a search for Ellen's lover. Meanwhile, Watson is helping Detective Bell study for the sergeant's exam. Sherlock takes over Bell's tutelage and finds out that he doesn't want the promotion, but needs the pay raise. Sherlock and Watson discover that Ellen is the daughter of an imprisoned killer whose M.O. matches her death. Her lover is identified as the realtor selling the Jacobs' house, whose mother was killed by Ellen's father; he is the prime suspect until he is attacked and ends up in the hospital. Ellen's husband is arrested, but Sherlock identifies her brother Nolan as the true killer. Nolan admits that they had an agreement not to pass on their father's genes and he killed her when he found out she was pregnant. Watson gives Bell a "case study" that leads to him receiving most of a $40,000 bounty for locating a wanted fugitive.
81	9	"Murder Ex Machina"	Guy Ferland	Robert Hewitt Wolfe	January 21, 2016	6.33[85]
Morland asks Joan to dine with him at a restaurant opening. Maxim Zolotov, a Russian oligarch, is shot and killed, and the two shooters are killed immediately afterward when their car is hacked. An analysis of the hacked code leads to Pentillion, a company creating automated vehicles, who admit that they were hacked by a rival company with which Zolotov was conducting business. Sherlock speaks with a Russian spy who says that Zolotov was supposed to be on a government mission, not business. At dinner, Morland mentions that he knows Mycroft is alive. He also says that he has been banking his own blood and asks Joan if she will check on a blood bank in New York. The involvement of diplomatic negotiations between Russia and Ukraine causes the case to be taken over by federal agents, but Sherlock continues searching for the instigator of the shooting, with Joan asking Morland for information on arms dealers making money off the war. The only one who would profit from the war continuing is Pentillion, by selling rocket engines while Russian ones are off the market. Joan suspects that Morland was shot once and may still be a target.
82	10	"Alma Matters"	Larry Teng	Bob Goodman	January 28, 2016	6.09[86]
Sherlock confronts Morland about the danger surrounding him but Morland downplays it by saying that the assassin has been dealt with, a story Sherlock disbelieves. Two weeks later, Sherlock is turning up only empty leads. Lily Cooper, the owner of a halfway house under siege by Fairbridge, a for-profit university, suspects that a murder is more than it seems. Watson finds a team of thieves who witnessed the murder, while Sherlock corners Morland's Interpol contact Lukas. Bell obtains a sketch of the murder suspect, but Lily turns up dead as well. Startled by Lukas' violent refusal to speak, Sherlock returns to Morland with the accusation that Morland suspected him of the shooting; Morland admits that Sherlock was, at one time, a suspect. Sherlock demands that he leave New York. The man in the sketch is identified by the halfway house staff but, while he confesses to both murders, Bell finds he has an alibi for Lily's. Morland apologizes for his suspicions, explains away Lukas' fear, and agrees to return to London. The CEO of Fairbridge was using the indebted ex-con students to murder or otherwise endanger anyone who threatened the college. Sherlock tells his father that Lukas' predecessor was spying on Morland, agreeing to investigate the case of Morland's shooting due to his anger at his reputation being besmirched.
83	11	"Down Where the Dead Delight"	Jerry Levine	Jeffrey Paul King	February 4, 2016	6.23[87]
A bomb hidden inside a body explodes in the morgue, destroying the evidence for several crimes. Sherlock discerns which case was the target of the bombing. Despite the lack of a body, the victim is identified as Janet, a woman who made a small profit selling drugs. A secret camera in Janet's kitchen reveals Toby, one of her clients, was spying on her. Toby's journals are found to be full of descriptions of ways to kill Janet, but his alibi leads Sherlock to suspect his father of killing her to protect his son. When confronted with the possibility of Toby going to jail, his father confesses. At the same time, Detective Cortez visits the precinct to ask for Watson's help finding an elusive suspect. Watson is frustrated when Cortez refuses to explain her questionable rationale and Sherlock suspects Watson is being framed for an assault. Cortez reveals that she committed the assault as an act of justice- the man she attacked had violently assaulted a girl, leaving her with permanent brain damage- and requests Watson's help in the future, noting that she and Sherlock have taken similar actions in the past. Watson confronts Cortez about selfishly hurting others and threatens to expose her if she does it again.
84	12	"A View With a Room"	John Polson	Richard C. Okie	February 11, 2016	6.10[88]
Captain Gregson's colleague from Narcotics asks Holmes to orchestrate the perfect heist inside the heavily armed and virtually impenetrable compound of a drug-dealing biker gang. Also, when Watson assists Fiona Helbron (Betty Gilpin), who helped the duo on a recent case, she makes a surprising discovery about Holmes.
85	13	"A Study in Charlotte"	Guy Ferland	Robert Hewitt Wolfe	February 18, 2016	5.95[89]
Sherlock and Joan search for a murderer who used poisonous mushrooms to kill a botany professor and a group of the instructor’s students. Also, when Joan is disturbed by loud noises next door, she discovers her neighbor, Trent (Richard Kind), is renting out his home through a vacation site that caters to hard partiers. NOTE: The title refers to the Sir Arthur Conan Doyle novel A Study in Scarlet.
86	14	"Who Is That Masked Man?"	Larry Teng	Jason Tracey	February 25, 2016	5.82[90]
Sherlock and Joan scam their way into the house of Morland's "stepdaughter," because they suspect his mistress to be involved in the assassination attempt that ultimately cost her her life. Morland returns to the brownstone and infuriatedly explains to Sherlock that Sabine's death was his full responsibility. Later, however, Morland gives Sherlock access to her email account, revealing that it was hacked by a Russian hitman who now resides in a supermax prison in Russia. Morland also provides Sherlock with his mother's medical records, telling him that he wasn't the first addict in the family. Hoping to quell a gang war before it begins, Gregson is assisted by Sherlock and Joan in solving the murders of three triad members. It turns out to be a revenge killing by a mortician who had stumbled on a scam in an assisted living facility and was then assaulted for it by the deceased.
87	15	"Up to Heaven and Down to Hell"	John Polson	Tamara Jaron	March 3, 2016	5.85[91]
Sherlock and Joan investigate the suspicious fall of a wealthy octogenarian from the penthouse of her own apartment building, which results in killing both her and the man upon whom she lands. First, they think it's because of issues with the estate, in which her shitzu inherits everything, but that turns out not to be the motive. Then, their attention is pointed to a proposed landmark high rise, to be built using air rights of the apartment building, and the protesters against it. This reunites them with billionaire real estate mogul William Hull (Skipp Sudduth). They discover another murder linked to the case. They all ultimately uncover the real motive. The architect of the landmark building made a career-killing design error and tried to cover it up by killing 3 people. Gregson is involved with a disgraced former police officer (Virginia Madsen). The woman breaks off the relationship after Joan accidentally runs into them at a restaurant. They eventually make up after she reveals to Gregson that she has MS. In the opening scene, Holmes mentions the "ManhattAnt.[92]
88	16	"Hounded"	Ron Fortunato	Robert Hewitt Wolfe	March 10, 2016	5.64[93]
In this adaptation of The Hound of the Baskervilles, venture capitalist Charles Baskerville is struck and killed by a truck while fleeing for his life from what a witness describes as a huge glowing animal. Charles' brother Henry believes it might have been murder and Sherlock thinks he may be next. Suspects include the CEO of Stapleton Innovations, who stands to inherit a fortune if both Charles and Henry die. Meanwhile, Dr. Hawes' work is suffering due to the psychological effects of the events of "Down Where the Dead Delight" and he's starting to self-medicate; Sherlock warns him that he'll go into a downward spiral if he isn't careful.
89	17	"You've Got Me, Who's Got You?"	Seith Mann	Paul Cornell	March 20, 2016	5.28[94]
A comic book hero impersonator is found dead. This leads the investigation to the publisher and we learn that the creator's grandson is the editor of that comic. The grandson unabashedly voices his dismay over the fact that his grandfather was screwed out of his rights in the 1940s, to the irritation of his coworkers. The grandson and the dead impersonator knew each other; thus, the impersonator stopped the grandson from going ahead with his plan to kill all his coworkers, but got killed himself in the process. Meanwhile, Joan is exhorted by Morland to find a mole in his organization because an important deal fell through. Sherlock cautions Joan by telling her that Morland made the Russian hitman from a prior episode disappear from prison. Joan tells Morland she couldn't find the mole, but then recruits the mole to become a double agent inside Morland's organization.
90	18	"Ready or Not"	Christine Moore	Bob Goodman	March 27, 2016	5.16[95]
The search for a missing doctor becomes a murder investigation involving drug traffickers and an exclusive bunker for wealthy survivalists. Meanwhile, Sherlock puts in extra effort for his relationship with Fiona to work.
91	19	"All In"	Aaron Lipstadt	Kelly Wheeler	April 10, 2016	6.38[96]
As Sherlock and Joan investigate an armed robbery of an illegal high roller poker game, they run into Agent McNally from the NSA who is also interested. They all learn, that the robbery was used as a smokescreen, that involved planting a listening device in a secure room for diplomatic communication. They confront the dealer of this poker game who turns out to be a spy. Joan learns she has a half sister, Lin.
92	20	"Art Imitates Art"	Ron Fortunato	Arika Lisanne Mittman	April 10, 2016	6.04[96]
A woman exiting a gym enters the car she thinks is her rideshare and is subsequently shot and killed. This brings Sherlock's and Joan's attention to a murder in Connecticut for which they think the man convicted for is innocent. The first murder turns out to be a crime of passion followed by the second cover up murder. After a heated exchange at the beginning of the episode Joan and Lin reconcile.
93	21	"Ain't Nothing Like The Real Thing"	Jeremy Webb	Nick Thiel and Jeffrey Paul King	April 17, 2016	5.51[97]
Sherlock and Joan are investigating an apparent carjacking with two deaths and many details not fitting the puzzle. This carjacking was staged by the intended target and the hit man, hired by the target's business partner, only to be hijacked by the target's wife. Meanwhile Joan meets her frantic double agent in Morland's organization, telling her that Morland is on to them. Morland makes a surprise visit to the brownstone. And the episode ends with Marcus being called to an armed robbery in a diner with multiple victims, one of them the double agent.
94	22	"Turn It Upside Down"	Lucy Liu	Bob Goodman	April 24, 2016	5.15[98]
Joan tells about her double agent in Morland's organization. After suspecting Morland of ordering the hit in the diner the evidence is pointed in a different direction after the suspect confesses to another murder for hire by the same person 2 weeks earlier. An online survey by this victim in order to change future perspective on sentencing is found to be connected to another simultaneous crime in Geneva and a lab assistant selling the information on the ones coming up as psychopaths to what she thought was the CIA. The name of the contact she gives alerts Sherlock to the involvement of his longtime adversary Moriarty.
95	23	"The Invisible Hand"	Guy Ferland	Robert Doherty & Jason Tracey	May 1, 2016	5.45[99]
96	24	"A Difference in Kind"[100]	John Polson	Jason Tracey & Robert Doherty	May 8, 2016	TBD

Home video releases

Season		Episodes	DVD release dates
			Region 1	Region 2	Region 4	Discs
	1	24	August 27, 2013[101]	December 23, 2013[102]	February 5, 2014[103]	6
	2	24	August 26, 2014[104]	August 25, 2014[105]	January 28, 2015[106]	6
	3	24	August 25, 2015[107]	September 21, 2015[108]	December 3, 2015[109]	6

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97. Porter, Rick (April 19, 2016). "Sunday final ratings: 'Once Upon a Time', 'The Good Wife' adjust up; 'Little Big Shots' and 'Crowded' adjust down". TV by the Numbers. Retrieved April 19, 2016.
98. Porter, Rick (April 26, 2016). "Sunday final ratings: 'Once Upon a Time', 'Simpsons' and all others hold". TV by the Numbers. Retrieved April 26, 2016.
99. Porter, Rick (May 3, 2016). "Sunday Final Ratings: 'Little Big Shots' adjusts up, 'Carmichael,' 'Crowded' and ACC Awards adjust down". TV by the Numbers. Retrieved May 3, 2016.
100. "(#ELE424) "A Difference in Kind"". The Futon Critic. Retrieved April 21, 2016.
101. Lambert, David (May 28, 2013). "Elementary - The CBS Take on Sherlock Holmes is Scheduled to Ship this Summer". TV Shows on DVD. Retrieved May 29, 2013.
102. "Elementary - Season 1 [DVD]". Amazon.co.uk. Retrieved September 30, 2013.
103. "Elementary: The First Season (DVD)". Ezy DVD. Retrieved December 13, 2013.
104. "Elementary: The Second Season". TVshowsonDVD.com. Retrieved May 29, 2014.
105. "Elementary - Season 2 [DVD]". Amazon.co.uk. Retrieved May 12, 2014.
106. "Elementary: Season 2 (DVD)". Ezy DVD. Retrieved September 29, 2014.
107. Lambert, David (June 11, 2015). "Elementary - Jonny Lee Miller and Lucy Liu Cover the Box for 'The 3rd Season'!". TVShowsOnDVD. Retrieved June 11, 2015.
108. "Elementary: The Third Season [DVD]". Amazon.co.uk. Retrieved February 6, 2015.
109. "Elementary: Season 3 (DVD)". JB HI-Fi. Retrieved December 29, 2015.

External links

• Official website
• List of Elementary episodes at the Internet Movie Database