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. (TV-14 L, V)
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. Sean Pertwee guest stars as Gareth Lestrade. (TV-14 L, V)
Tensions rise when Holmes and Watson are forced to partner with Gareth Lestrade, Sherlock's former Scotland Yard colleague, on a bombing investigation. Sean Pertwee guest stars. (TV-14 L, V)
Holmes' latest investigation takes him inside a professional dance company when an up-and-coming ballerina is murdered.
When Joan revisits one of Sherlock's 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.
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. Peter Gerety and Paul Sorvino guest star.
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. Natalie Dormer Returns as Moriarty.
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.
When an investigation goes horribly wrong, Sherlock must testify in an official police inquiry which jeopardizes his and Watson's future with the NYPD.
Holmes and Watson uncover the identity of a serial killer whose case has gone cold and find themselves butting heads with the NYPD.
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. William Sadler, Margaret Colin, and Rhys Ifans guest stars. (TV-14 L, V)
Sherlock's brother, Mycroft, arrives in New York and enlists Holmes and Watson to help solve a case involving his former fiancee. Meanwhile, Sherlock has a difficult time accepting Mycroft and Joan's relationship. Rhys Ifans guest stars (TV-14 D, V)
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. Talia Balsam guest stars.
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. (TV-14 L, V)
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. Laura Benanti guest stars as Anne Barker.
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 protecting him. Meanwhile, Joan takes the advice of a friend and signs up for an online dating service. Tony Award winner Steve Kazee guest stars.
With the bodies piling up, Sherlock, Watson, and Captain Gregson desperately look to clear a suspect to find their killer.
A spy arrives at Sherlock's door.
An unsuspecting scientist takes his last breath.
Sherlock and Watson find themselves at another dead end while searching for the killer of a scientist on the verge of a medical break through.
As Bell returns to active duty, he gets his first taste of life back on the street.
Bell returns to active duty and finds himself taking a case from his youth.
With a missing woman found alive, Sherlock and Watson wonder what elements are at play to rob an innocent man.
Sherlock warns Watson about the dangers of helping Lestrade as a familiar face is spotted in the crowd.
An accused murderer gets an unexpected delivery from his past.
Lestrade points to Sherlock as the man who helped him find his attacker.
Recovering from a mugging in the city, Lestrade tracks the man who assaulted him and finds a connection to an unlikely ally.
Captain Gregson hopes to reunite a man with his missing wife as an overzealous husband might get in the way.
An unexpected theory leads Sherlock and Watson to a potential bomber with a grudge.
As a bomb explodes in downtown New York, a familiar face appears much to Sherlock's dismay
Sherlock and Watson wonder if Gareth has turned to the dark side.
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