Baker Street Wiki
Baker Street Wiki

Season One of Elementary is the first 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 27 September, 2012.



Guest stars[]

Main plot points[]

  • Sherlock's new-found sobriety, and his growing friendship with his sober companion, Joan Watson.
  • Watson facing the consequences of her medical leave, and becoming Holmes' apprentice.
  • The uncovering of Sherlock's past in London, including his romantic relationship with Irene Adler, her supposed murder by Moriarty, and the latter's association with Sebastian Moran.


Table of episodes[]

Season One
#01 Pilot#09 You Do It To Yourself#17 Possibility Two
#02 While You Were Sleeping#10 The Leviathan#18 Déjà Vu All Over Again
#03 Child Predator#11 Dirty Laundry#19 Snow Angels
#04 The Rat Race#12 M.#20 Dead Man's Switch
#05 Lesser Evils#13 The Red Team#21 A Landmark Story
#06 Flight Risk#14 The Deductionist#22 Risk Management
#07 One Way to Get Off#15 A Giant Gun, Filled with Drugs#23 The Woman
#08 The Long Fuse#16 Details#24 Heroine

Brief Overview[]

# Image Title Airdate Writer(s) Director
101 Pilot "Pilot" 27 September, 2012 Robert Doherty Michael Cuesta
Detective Sherlock Holmes, along with his sober companion, Dr Joan Watson, consult on a home invasion that resulted in murder.
102 While You Were Sleeping 2 "While You Were Sleeping" 4 October, 2012 Robert Doherty John Coles
Sherlock uses his powers of deduction to consult on the murder of a young man who is shot upon entering his apartment.
103 Child predator "Child Predator" 18 October, 2012 Peter Blake Rod Holcomb
Sherlock and Watson consult on a child abduction case involving a serial killer who is nicknamed "The Balloon Man", because he leaves a signature batch of balloons at each of his crime scenes
104 The-Rat-Race "The Rat Race" 25 October, 2012 Craig Sweeny Rosemary Rodriguez
Even though he despises bankers, Holmes agrees to consult on a case involving the death of a Wall Street executive who appears to have overdosed on heroin. Meanwhile, with Holmes' encouragement, Watson tries to re-enter the dating scene.
105 Lesser evils 2 "Lesser Evils" 1 November, 2012 Liz Friedman Colin Bucksey
Sherlock tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Meanwhile, Sherlock learns more about Joan's decision to walk away from her surgical career.
106 Flight Risk 2 "Flight Risk" 8 November, 2012 Corinne Brinkerhoff David Platt
Sherlock tries to prove that one of people whose body was found in the wreckage of a small plane crash was actually killed before the plane went down. Meanwhile, Watson tries to convince Sherlock to meet with his elusive father.
107 One Way to Get Off 2 "One Way to Get Off" 15 November, 2012 Christopher Silber Seith Mann
Sherlock assists with a double homicide that has the same M.O. as a series of murders that took place 13 years ago. Meanwhile, after being frozen out by Sherlock, Watson visits his old rehab center in order to learn more about the mysterious man in her care.
108 The-Long-Fuse "The Long Fuse" 29 November, 2012 Jeffrey Paul King Andrew Bernstein
While investigating an explosion that kills two people, Sherlock discovers a crime that has been lying dormant for years. Meanwhile, Watson encourages Sherlock to finally pick a sponsor.
109 You-Do-It-To-Yourself "You Do It To Yourself" 6 December, 2012 Peter Blake Phil Abraham
Sherlock uses his trademark deductive reasoning skills to find the killer of a college professor. Meanwhile, Watson gets a call from a former lover who needs her help.
110 The-Leviathan "The Leviathan" 13 December, 2012 Corinne Brinkerhoff &

Craig Sweeny

Peter Werner
Sherlock is called in to investigate when a supposedly uncrackable bank vault called "The Leviathan" is breached. Meanwhile, Joan is pleasantly surprised when Sherlock meets her family and defends her choice to become a sober companion.
111 Dirty Laundry 2 "Dirty Laundry" 3 January, 2013 Liz Friedman &

Christopher Silber

John Coles
Sherlock and Joan investigate the murder of the general manager of a high-end Manhattan hotel whose body is found inside an industrial laundry machine. Meanwhile, since Joan's time with Sherlock is almost up, he offers her an apprenticeship.
112 Moran captured "M." 10 January, 2013 Rob Doherty John Polson
Sherlock is reunited with "M.," a British criminal who appears to have followed Sherlock to New York. Meanwhile, Joan has reservations about leaving Sherlock and taking on a new client.
113 The-Red-Team "The Red Team" 31 January, 2013 Jeffrey Paul King & Craig Sweeny Christine Moore
While on suspension from the New York City Police Department, Sherlock investigates a suspicious hit-and-run accident involving a conspiracy theorist. Meanwhile, Watson tries to broker peace between Sherlock and Captain Thomas Gregson.
114 Elementary deductionist "The Deductionist" 3 February, 2013 Craig Sweeny & Rob Doherty John Polson
Sherlock pursues Martin Ennis, an unpredictable criminal, before he strikes again. During the investigation, Sherlock is forced to work alongside Kathryn Drummond, the FBI profiler who literally wrote the book on Ennis. Meanwhile, Watson faces eviction from her apartment.
115 A Giant Gun, Filled with Drugs 2 "A Giant Gun, Filled with Drugs" 7 February, 2013 Christopher Silber

Corinne Brinkerhoff &
Liz Friedman (teleplay)

Guy Ferland
Sherlock tries to find out who kidnapped the adult daughter of his ex-drug dealer, Rhys. Watson worries about Sherlock's sobriety when Rhys suggests Sherlock was a better detective when he was using drugs.
116 Details 2 "Details" 14 February, 2013 Robert Doherty

Jeffrey Paul King &
Jason Tracey (teleplay)

Sanaa Hamri
When Detective Bell is attacked, the investigation ends up being more complicated than Sherlock initially expected. Sherlock wants Joan to take self-defence classes.
117 Possibility Two 2 "Possibility Two" 21 February, 2013 Mark Goffman

Seith Mann (teleplay)

Seith Mann

While helping Joan learn deductive skills, Sherlock is approached by Gerald Lydon, a wealthy man suffering from an incurable disease that is destroying his mind.

118 Deja vu all over again "Déjà Vu All Over Again" 14 March, 2013 Brian Rodenbeck Jerry Levine

Joan takes her first solo case: the disappearance of a woman who left her husband a tearful break-up video that mentioned a murder on a subway platform. Meanwhile, Sherlock is intrigued by the subway murder and decides to investigate.

119 Snow angels "Snow Angels" 4 April, 2013 Jason Tracey Andrew Bernstein

Sherlock and Joan try to prevent a robbery from one of the largest cash vaults in the country during the middle of a Nor'easter. Meanwhile, Sherlock tries to help a transgender woman who is recovering from her latest break-up.

120 Dead Man's Switch 2 "Dead Man's Switch" 25 April, 2013 Christopher Silber

Liz Friedman and Christopher Silber (teleplay)

Larry Teng

Sherlock and Joan hunt for the accomplice of a murdered blackmailer who targeted families of rape victims and threatened to release videos of the assault if they did not pay. Meanwhile, Sherlock resists celebrating his first year of sobriety.

121 A landmark story "A Landmark Story" 2 May, 2013 Corinne Brinkerhoff Peter Werner

Sherlock resumes his hunt for Moriarty when Sebastian Moran reveals that a man who was thought to be dead from a heart attack was actually on the list of intended victims from Moriarty.

122 Risk management "Risk Management" 9 May, 2013 Liz Friedman & Rob Doherty Liz Friedman

Sherlock agrees to take a case from a man claiming to be Moriarty, hoping it will bring him closer to finding his nemesis. Meanwhile, Gregson encourages Joan to give up the dangerous line of work she has chosen and go back to being a sober companion.

123 The woman "The Woman" 16 May, 2013 Robert Doherty & Craig Sweeny Seith Mann

Flashbacks reveal what led to Sherlock's downfall into addiction as the re-emergence of Irene Adler leaves Sherlock stunned.

124 Heroine "Heroine" 16 May, 2013 Robert Doherty & Craig Sweeny John Polson

Once again the mysterious Moriarty has his sights set on Holmes and Watson.

See also[]