Baker Street Wiki
Baker Street Wiki

Season Two of Elementary is the second season of CBS's contemporary update of Sir Arthur Conan Doyle's Sherlock Holmes detective stories set in the United States. It premiered on CBS on 26 September, 2013.


On March 27, 2013, CBS announced that it had renewed Elementary for a second season.[1] Production began in July that same year.[2]

At the same time, executive producer Robert Doherty revealed that the season premier would be filmed in London, with Sherlock Holmes being called to London to revisit an old case where he is forced to face his past. Joan Watson learns more about Holmes' mysterious life and the company he kept prior to leaving for New York City.[3]

Doherty also spoke about the possibility of season two introducing Holmes' father and revealing more about Watson's past.[4]



Notable guest stars[]

Main plot points[]

Note: This is a generic section stub. You can help Baker Street Wiki by expanding it.
  • Holmes returns to London to revisit an old case and meets up with his brother Mycroft and his old mentor Gareth Lestrade. Watson learns more about Holmes' life prior to moving to New York.
  • The son of the surgical patient who died in Watson's care comes to her with a request and he helps reveal Watson's mysterious life.
  • Sherlock and his life after the events that transpired with Moriarty.


Table of episodes[]

Season Two
#01 Step Nine#09 On the Line#17 Ears to You
#02 Solve for 'X'#10 Tremors#18 The Hound of the Cancer Cells
#03 We Are Everyone#11 Internal Audit#19 The Many Mouths of Aaron Colville
#04 Poison Pen#12 The Diabolical Kind#20 No Lack of Void
#05 Ancient History#13 All in the Family‎#21 The Man With the Twisted Lip
#06 An Unnatural Arrangement#14 Dead Clade Walking#22 Paint It Black
#07 The Marchioness‎‎#15 Corpse de Ballet#23 Art in the Blood
#08 Blood is Thicker#16 The One Percent Solution#24 The Grand Experiment

Brief overview[]

# Image Title Airdate Writer(s) Director
201 Step nine "Step Nine" 26 September, 2013 Robert Doherty & Craig Sweeny John Polson
When Sherlock is called to London to revisit an old case, he is forced to face his older brother, Mycroft. Although the siblings suffered a drastic falling-out a few years earlier, Mycroft allows Sherlock and Joan Watson to stay in his new home, 221B Baker Street. With Joan in the middle, the brothers are forced to confront their very complicated history.
202 Tumblr mt1gyk7ifN1ri1p5ro1 r1 500 "Solve for 'X'" 3 October, 2013 Jeffrey Paul King Jerry Levine
When a well-respected mathematician is found dead, Holmes and Watson set out to solve a murder and the purpose of the highly guarded equation he was trying to decipher. Meanwhile, Watson is conflicted when the son of a former patient approaches her for a loan.
203 We Are Everyone "We Are Everyone" 10 October, 2013 Craig Sweeny Michael Pressman
Holmes and Watson set out to track down Ezra, a civil contractor who has leaked a large amount of secret information onto the Internet. Holmes and Watson's lives are disrupted when they are targeted by the group of cyber-activists protecting him. Meanwhile, Watson takes the advice of a friend and signs up for an online dating service.
204 Tumblr mtqq923ARl1ri1p5ro2 500 "Poison Pen" 17 October, 2013 Liz Friedman Andrew Bernstein
When the CEO of a financial consulting company is poisoned to death, Holmes and Watson are called upon to track down the killer. Meanwhile, a woman from Sherlock's past emerges as a possible suspect.
205 Ancient History "Ancient History" 24 October, 2013 Jason Tracey Sanaa Hamri
Holmes and Watson find themselves digging through the dark world of the mob to find a killer when they discover the body of a former assassin. Meanwhile, Watson helps a close friend track down a mystery man who swept her off her feet.
206 Unnatural Arrangement "An Unnatural Arrangement" 31 October, 2013 Cathryn Humphris Christine Moore
When Captain Gregson's home is invaded, Holmes and Watson work to find the masked gunman before he strikes again. Meanwhile, Gregson gives his team some insight into his private life.
207 The Marchioness The Marchioness 7 November, 2013 Christopher Hollier and Craig Sweeney Sanaa Hamri
Sherlock's brother, Mycroft, arrives in New York and enlists Holmes and Watson to help solve a case involving his former fiancée. Meanwhile, Sherlock has a difficult time accepting Mycroft and Joan's relationship
208 Mycroft lying "Blood is Thicker" 14 November, 2013 Bob Goodman John Polson

When a beautiful young woman is murdered, Holmes and Watson investigate her ties to a billionaire CEO. Meanwhile, Mycroft makes a case for Sherlock to move back to London.

209 On The Line "On the Line" 21 November, 2013 Jason Tracey Guy Ferland
Holmes and Watson uncover the identity of a serial killer whose case has gone cold and find themselves butting heads with the NYPD.
210 Tremors "Tremors" 5 December, 2013 Liz Friedman Aaron Lipstadt
When an investigation goes horribly wrong, Sherlock must testify in an official police inquiry which jeopardizes his and Watson's future with the NYPD
211 Internal Audit "Internal Audit" 12 December, 2013 Bob Goodman Jerry Levine
When a hedge fund manager who was also running a Ponzi scheme is murdered, Holmes and Watson must determine which of his clients is guilty. Also, Sherlock contemplates sponsoring a fellow recovering addict.
212 The Diabolical Kind "The Diabolical Kind" 2 January, 2014 Rob Doherty and Craig Sweeney Larry Teng
Holmes and Watson come face to face with Moriarty when their one-time adversary is brought in as a consultant on a kidnapping case. Meanwhile, Detective Bell continues his struggle on the road to recovery.
213 All in the Family 2 "All in the Family" 9 January, 2014 Jason Tracey Andrew Bernstein
When a body is found in a barrel, Holmes and Watson launch an investigation into the Mafia's ties to the murder. Meanwhile, Sherlock attempts to make amends with Detective Bell.
214 Dead Clade Walking "Dead Clade Walking" 30 January, 2014 Jeffrey Paul King Helen Shaver
When Watson revisits one of Holmes' cold cases, she discovers an unsolved murder is connected to a rare prehistoric fossil. Meanwhile, Sherlock finds himself in uncharted territory when his duties as a sobriety sponsor cross his personal boundaries.
215 Corpse de ballet "Corpse de Ballet" 6 February, 2014 Liz Friedman Jean de Segonzac
Holmes' latest investigation takes him inside a professional dance company when an up-and-coming ballerina is murdered. Meanwhile, Watson embarks on a solo enquiry to find a homeless veteran when his friend alleges he was abducted.
216 The One Percent Solution "The One Percent Solution" 27 February, 2014 Bob Goodman & Craig Sweeny Guy Ferland
Tensions rise when Holmes and Watson are forced to partner with Gareth Lestrade, Holmes' former Scotland Yard colleague, to find the perpetrator of a bombing.
217 Ears to You "Ears to You" 6 March, 2014 Lauren MacKenzie and Andrew Gettens Seith Mann
Holmes and Watson consult on a case in which a man suspected of murdering his wife years ago receives a ransom demand for her safe return. Meanwhile, Lestrade overstays his welcome at the brownstone and seems unwilling to leave
218 The Hound of the Cancer Cells "The Hound of the Cancer Cells" 13 March, 2014 Bob Goodman Michael Slovis
When a famous cancer researcher is found dead, Holmes and Watson must determine if the scientist's untimely demise was tied to his latest cutting-edge invention. Meanwhile, Bell is finally cleared to re-enter the field
219 The Many Mouths of Andrew Colville "The Many Mouths of Aaron Colville" 3 April, 2014 Jason Tracey Larry Teng
A serial killer known for biting his victims appears to be killing again, even though he was presumed dead.
220 No Lack of Void "No Lack of Void" 10 April, 2014 Liz Friedman & Jeffrey Paul King Sanaa Hamri
A pickpocket dies of anthrax poisoning, putting Holmes and Watson on the trail of the toxin's source in order to prevent more deaths.
221 The Man With the Twisted Lip "The Man With the Twisted Lip" 24 April, 2014 Steve Gottfried (story & teleplay) & Craig Sweeny (teleplay) Seith Mann
When Sherlock's brother Mycroft makes a surprise return to New York, his motivations causing discord between Sherlock and Joan. Meanwhile, a missing persons case takes Sherlock and Joan inside the world of unmanned aeronautics.
222 Paint It Black "Paint It Black" 1 May, 2014 Robert Hewitt Wolfe Lucy Liu
Business becomes personal for Sherlock when he is forced to partner with his estranged brother, Mycroft, to solve a case with life-or-death consequences.
223 Art In The Blood "Art in the Blood" 8 May, 2014 Bob Goodman Guy Ferland
Sherlock Holmes and Joan Watson come into contact with MI-6, the British intelligence agency, when a run-of-the-mill murder investigation turns out to have international and political implications. Meanwhile, in the wake of a crisis, Watson re-evaluates her relationships with Sherlock and his brother, Mycroft.
224 The Grand Experiment "The Grand Experiment" 15 May, 2014 Robert Doherty & Craig Sweeny John Polson
Rising tension between Sherlock and Watson bring their partnership to a crossroads, but they endeavour to put their differences aside while they help Sherlock's brother, Mycroft, who faces accusations of treason and murder.

Also see[]