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Season guide

Elementary: Season 2

24 episodes Premiered Sep 26, 2013 Updated Sep 22, 2026

Elementary Season 2 continues the overarching saga across 24 episodes. The modern-day drama follows the crime-solving duo of a new Holmes and a new Watson as they crack the New York Police Department's most important cases. Set in New York, the series is a modern adaptation based loosely on figures and motives from the Sherlock Holmes stories by Arthur Conan Doyle. The American crime series was created by Robert Dohe

Previously on Elementary

Season 2 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • The series is a modern-day drama about a crime-solving duo cracking the New York Police Department's most important cases.
  • The show is based loosely on figures and motives of the Sherlock Holmes stories by Arthur Conan Doyle.
  • The crime series features Jonny Lee Miller and Lucy Liu in the main leading roles as the central investigative partners.
  • The production is a United States television series created by Robert Doherty.

Season overview

Elementary Season 2 continues the overarching saga across 24 episodes. The modern-day drama follows the crime-solving duo of a new Holmes and a new Watson as they crack the New York Police Department's most important cases. Set in New York, the series is a modern adaptation based loosely on figures and motives from the Sherlock Holmes stories by Arthur Conan Doyle. The American crime series was created by Robert Doherty and stars Jonny Lee Miller and Lucy Liu in the leading roles. Throughout the twenty-four episodes of the second season, the detectives continue their professional partnership and investigative work within the city, tackling complex mysteries and dangerous criminal investigations together while navigating their ongoing relationship dynamics and the challenges presented by the department's demanding caseload.

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Season 2 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 2 Progress Shield

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Binge Efficiency Engine

Season 2: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

29%
71%
Mytharc (7): Crucial lore & season climaxes
Core (17): Character development & subplots
Side Quest (0): Standalone / filler
S2·E1 Mytharc

Step Nine

Sep 26, 2013

Sherlock is called to London to revisit an old case, where he is forced to face his older brother, Mycroft. Although the siblings suffered a drastic falling-out a few years earlier

S2·E2 Core

Solve for X

Oct 3, 2013

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,

S2·E3 Core

We Are Everyone

Oct 10, 2013

When Holmes and Watson set out to track down a civil contractor who leaked classified information, their lives are disrupted when they are targeted by the group of cyber-activists

S2·E4 Core

Poison Pen

Oct 17, 2013

When a financial consulting company CEO is poisoned to death, a woman from Sherlock's past who emerges as a possible suspect.

S2·E5 Core

Ancient History

Oct 24, 2013

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 frien

S2·E6 Core

An Unnatural Arrangement

Oct 31, 2013

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 li

S2·E7 Core

The Marchioness

Nov 7, 2013

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

S2·E8 Mytharc

Blood is Thicker

Nov 14, 2013

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.

S2·E9 Core

On The Line

Nov 21, 2013

Holmes and Watson uncover the identity of a serial killer whose case has gone cold and find themselves butting heads with the NYPD.

S2·E10 Core

Tremors

Dec 5, 2013

When an investigation goes horribly wrong, Sherlock must testify in an official police inquiry which jeopardizes his and Watson’s future with the NYPD

S2·E11 Mytharc

Internal Audit

Dec 12, 2013

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

S2·E12 Core

The Diabolical Kind

Jan 2, 2014

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

S2·E13 Core

All in the Family

Jan 9, 2014

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.

S2·E14 Core

Dead Clade Walking

Jan 30, 2014

Joan discovers an unsolved murder connected to a rare prehistoric fossil when she reviews one of Sherlock's cold cases; Sherlock's responsibilities as a sobriety sponsor cross pers

S2·E15 Mytharc

Corpse de Ballet

Feb 6, 2014

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 homele

S2·E16 Core

The One Percent Solution

Feb 27, 2014

Tensions rise when Holmes and Watson are forced to partner with Gareth Lestrade, Sherlock’s former Scotland Yard colleague, on a bombing investigation.

S2·E17 Core

Ears to You

Mar 6, 2014

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

S2·E18 Core

The Hound of the Cancer Cells

Mar 13, 2014

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

S2·E19 Core

The Many Mouths of Aaron Colville

Apr 3, 2014

A serial killer known for biting his victims appears to be killing again, even though he was presumed dead.

S2·E20 Mytharc

No Lack of Void

Apr 10, 2014

A pickpocket dies of anthrax poisoning, putting Holmes and Watson on the trail of the toxin’s source in order to prevent more deaths.

S2·E21 Core

The Man with the Twisted Lip

Apr 24, 2014

When Sherlock’s brother Mycroft makes a surprise return to New York, his motivations cause discord between Sherlock and Joan. Meanwhile, a missing person case takes Sherlock and Jo

S2·E22 Core

Paint It Black

May 1, 2014

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.

S2·E23 Mytharc

Art in the Blood

May 8, 2014

Holmes and Watson come into contact with MI-6, the British intelligence agency, when a standard murder investigation turns out to have international and political implications. Mea

S2·E24 Mytharc

The Grand Experiment

May 15, 2014

Rising tension between Sherlock and Joan brings their partnership to a crossroads, but they endeavor to put their differences aside while they help Sherlock's brother, Mycroft, who