Elementary

Holmes and Watson travel to London to help track down an old mentor and investigate an unsolved mystery. Rhys Ifans guest stars.

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. Jeremy Jordan Guest Stars as Joey Castoro, the Son of Watson's former patient.

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. Tony Award Winner Steve Kazee guest stars.

When the CEO of a financial consulting company is poisoned to death, Holmes and Watson are called upon to track down the killer. Laura Benanti 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.

When Captain Gregson's home is invaded, Holmes and Watson work to find the masked gunman before he strikes again. Talia Balsam guest stars.

Sherlock's brother, Mycroft, arrives in New York and enlists Holmes and Watson to help solve a case involving his former fiancee. Rhys Ifans guest stars.

When a beautiful young woman is murdered, Holmes and Watson investigate her ties to a billionaire CEO. William Sadler, Margaret Colin, and Rhys Ifans guest stars.

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

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

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.

Holmes and Watson come face to face with Moriarty when their one-time adversary is brought in as a consultant on a kidnapping case. Natalie Dormer Returns as Moriarty.

When a body is found in a barrel, Holmes and Watson launch an investigation into the mafia's ties to the murder. Peter Gerety and Paul Sorvino guest star.

When Joan revisits one of Sherlock's cold cases, she discovers an unsolved murder is connected to a rare prehistoric fossil.

Holmes' latest investigation takes him inside a professional dance company when an up-and-coming ballerina is murdered.

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.

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. Sean Pertwee guest stars.

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.

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

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

When Sherlock's brother Mycroft makes a surprise return to New York, his motivations cause discord between Sherlock and Joan. Rhys Ifans guest stars as Mycroft Holmes.

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. Lucy Liu makes her directorial debut and Rhys Ifans guest stars.

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. Rhys Ifans returns as Mycroft Holmes.

Rising tension between Sherlock and Watson bring their partnership to a crossroads, but they endeavor to put their differences aside while they help Sherlock's brother, Mycroft, who faces accusations of treason and murder. Rhys Ifans returns as Mycroft Holmes.