Elementary Episodes

Sherlock Holmes gains a sober companion in Joan Watson while helping the NYPD investigate a home invasion turned murder.

When a man is shot and killed while entering his apartment, Sherlock investigates; Watson goes to dinner with her ex-boyfriend.

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.

Holmes consults on a case involving a Wall Street executive who seems to have died from a heroin overdose; Holmes encourages Watson to start dating again.

Sherlock tracks the person who has been killing terminal patients at a hospital but making it look like they died of natural causes; more information on Watson's decision to end her surgical career is revealed.

After a small plane crashes, Sherlock tries to prove that one of the victims was already dead before the plane went down; Watson thinks Sherlock should get together with his elusive father.

Sherlock helps investigate a double murder that has similarities to a series of homicides that took place 13 years ago; Watson tries to learn more about the mysterious man in her care.

While investigating an explosion that kills two people, Sherlock discovers a crime that's been lying dormant for years. Meanwhile, Watson encourages Sherlock to finally pick a sponsor.

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.

A bank vault previously thought to be unbreachable is broken into; when Sherlock meets Joan's family, he defends her decision to become a sober companion.

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.

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.

While on suspension from the NYPD, Sherlock investigates a suspicious hit-and-run accident involving a conspiracy theorist. Meanwhile, Watson tries to broker peace between Sherlock and Gregson.

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.

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.

Sherlock investigates what he believes will be an open-and-shut case after Detective Bell is attacked. However, the case takes an unexpected turn when the suspected assailant is found dead. Meanwhile, Sherlock encourages Joan to learn self-defence.

Holmes investigates when a wealthy philanthropist believes he was intentionally infected with an incurable illness; Holmes sends Joan to a suspicious dry cleaners to teach her deductive skills.

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.

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.

Sherlock and Joan hunt for the accomplice of a murdered blackmailer who targeted families of rape victims. Meanwhile, Sherlock resists celebrating his first year of sobriety.

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.

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.

As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction. Meanwhile, he and Joan once again find themselves in the crosshairs of the enigmatic Moriarty.

As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction. Meanwhile, he and Joan once again find themselves in the crosshairs of the enigmatic Moriarty.