Joan and Kitty try to prove that a string of murders, stemming from an old case Sherlock and Kitty solved in London, is connected to an international government conspirac ...

When prosecutors from a previous case begin dying, Sherlock suspects the case's defendant is seeking retribution. Kitty returns to New York with news that she and Sherloc ...

A former professional eSports video game player dies after he's assaulted during a live video stream; Shinwell asks Joan for advice when his daughter asks to see him for ...

A man takes hostages, including Joan, and threatens to execute them unless Holmes finds the person responsible for the death of his son. As Sherlock investigates, the cap ...

When Holmes and Watson investigate a clown's murder upstate, they discover a connection between his death and the creation of a new weaponized virus. Also, Watson helps B ...

Holmes and Watson race to find a woman who's been held captive for years before the kidnapper takes drastic steps to avoid being caught. Also, Watson becomes frustrated w ...

The DEA asks to speak with Joan. It seems prescriptions for opiates with her name are turning up. She maintains she has not written a prescription in years. She says some ...

When Shinwell is framed for a gang killing, Holmes and Watson have three days to catch the real killer before Shinwell is sent back to jail. ...

Joan worries Sherlock's sobriety is at risk when she learns he has been lying to her about attending recovery meetings. Also, Sherlock and Joan discover a man's death cau ...

Holmes and Watson search for two murderers after a base jumper is shot out of the sky by one killer, and has his parachute sabotaged by another. Also, after Joan's sister ...

Holmes and Watson investigate a mass murder when a chef and his patrons are poisoned after dining on a tasting menu tainted with snake venom. Meanwhile, Bell's crush on a ...

Holmes and Watson have plenty of suspects when they investigate the murder of a man who led a secret life as a vigilante, catfishing sexual predators on dating sites and ...

When the city commends the work of Captain Gregson's unit, Gregson pushes for Holmes and Watson to be included; a financial analyst is murdered. ...

Holmes learns a secret about Captain Gregson's girlfriend when she hires him for a case she wants kept off of Gregson's radar. Also, Holmes and Watson join the NYPD's sea ...

When the leader of a local street gang abducts Holmes to compel him to find the person responsible for a hit on his men, Holmes and Watson get caught in the middle of an ...

Upon the return of an unknown serial bomber, 6 years after his reign of terror ended, Sherlock and Joan are called onto the case. Joan receives some assistance from a pre ...

Holmes and Watson's lives are threatened by an influential, worldwide criminal network connected to the murder attempt on Morland Holmes (John Noble). Also, Sherlock's gr ...

The invisible organisation behind all the recent troubles for Morland Holmes does indeed turn out to be the group created by Jamie Moriarty. Command of the group, which w ...

When a man that Joan Watson had employed as a secret mole inside Morland Holmes' organization is murdered during a robbery, Joan and Sherlock suspect that he was actually ...

When Holmes and Watson are pulled into a double-homicide investigation, they discover the victims were staging a fake murder right at the moment they were killed. Also, W ...

Watson tries to process that she has a sister. She and Sherlock get a case, a girl was shot and then taken somewhere else. Watson thinks she knows her, she later recalls ...

A woman goes to see Holmes and Watson. She's been shot and says she knows his brother. Holmes is suspicious of her but decides to look into it. She says to make extra cas ...

When a doctor/doomsday prepper goes missing, Holmes and Watson investigate who had cause to see him dead. Discovering he had been selling prescription drugs to dealers th ...

When a man who secretly fought crime dressed as a popular comic book superhero is murdered, Holmes and Watson must discover his real identity before they can find his kil ...

At the urging of Morland's wealthy associate, Henry Baskerville (Tom Everett Scott), Holmes and Watson look into the death of his brother and discover that a witness saw ...

When Watson runs into Captain Gregson and his secret girlfriend, a former NYPD officer, she inadvertently sets the couple's breakup in motion. Also, Holmes and Watson inv ...

When Holmes' investigation into the attempt on Morland's life pushes their strained relationship to the breaking point, the identity of Sherlock's mother is revealed. Als ...

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 ...

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 bik ...

Holmes and Watson must search for a killer without any physical evidence to aid them after a bomb is detonated in the New York City morgue. Also, Watson is suspicious whe ...

Holmes' tentative reconciliation with his father suffers a setback when Holmes and Watson discover Morland has been keeping a secret that threatens all of their safety. A ...

A Russian businessman is shot by two men, who then drive off. Holmes and Watson are called to help but only Watson shows up. When Watson calls Holmes to find out where he ...