As Holmes and Watson investigate a woman’s murder, they discover her death is linked to a piece of artwork that has ties to a crime that was committed when she was in college. Also, in the wake of a shocking personal revelation, Watson attempts to forge a connection with a recent client.

The episode was rated 7.63 from 2349 votes.

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. Also, Holmes and Watson investigate two murders connected to a for-profit college and its illegal recruitment practices.

The episode was rated 7.64 from 2136 votes.

When a vigilante dressed up as a comic book hero is murdered, Holmes and Watson need to find the man's true identity and find his killer. Also, Morland makes a surprise donation to Watson’s favorite charity, in order to compel her to do him a business-related favor.

The episode was rated 7.64 from 2164 votes.

As Holmes faces criminal charges in the aftermath of his recent violent behavior and relapse back into heroin, his position with the NYPD is put in jeopardy. Holmes concentrates on the case of a missing wife believed to have been killed by her husband to try to get back in the department’s good graces, while at the same time expecting a visit from his father.

The episode was rated 7.66 from 2339 votes.

Holmes and Watson investigate a homicide in which the victim was murdered in a manner reminiscent of the crimes of an infamous, and already incarcerated, serial killer. Also, Sherlock and Joan tutor Detective Bell for a police sergeant’s exam that would lead to a promotion and a post at another precinct.

The episode was rated 7.66 from 2085 votes.

A mysterious woman who organizes illegal, high-stakes poker games arrives on Holmes and Watson’s doorstep and tells them her life is in danger claiming to be a former associate of Mycroft, Sherlock’s brother. However, as the pair investigates, Joan becomes suspicious that their new client isn’t being truthful.

The episode was rated 7.68 from 2438 votes.

Holmes and Watson search for a computer hacker responsible for three murders, including the death of a Russian billionaire who was visiting New York City. Also, Joan is surprised to receive a solo dinner invitation from Sherlock’s father.

The episode was rated 7.70 from 2133 votes.

When a survivalist doctor goes missing, Holmes and Watson must determine whether he’s purposely gone off the grid or if he’s a victim of foul play. Also, Holmes exhibits odd behavior when his romantic relationship with Fiona hits a critical point.

The episode was rated 7.72 from 2327 votes.

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 loud noise next door, she discovers her neighbor, Trent, is renting out his home through a vacation site that caters to hard partiers.

The episode was rated 7.73 from 2200 votes.

Morland offers to act as one of his son’s “Irregular” consultants so that he can lend Sherlock and Joan his considerable resources to help them solve a case.

The episode was rated 7.75 from 2053 votes.

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 biker gang. Also, when Watson assists Fiona Helbron, who helped her on a recent case, she makes a surprising discovery about Holmes.

The episode was rated 7.76 from 2220 votes.

Sherlock’s father, Morland, becomes Sherlock and Joan’s prime suspect in a murder investigation after one of his employees is killed under the guise of a robbery.

The episode was rated 7.76 from 2405 votes.

Holmes and Watson’s lives are threatened by an influential, worldwide criminal network connected to the murder attempt on Morland Holmes. Also, Sherlock’s grievances with his father threaten their alliance to bring their mutual adversary to justice.

The episode was rated 7.85 from 2502 votes.

When Holmes and Watson discover the perpetrator behind the attempt made on Morland’s life, they find a shocking connection to themselves.

The episode was rated 7.86 from 2458 votes.

When Watson’s stepfather writes a crime novel based on her work with Holmes without her knowledge, an underlying issue in their relationship is revealed. Also, as Holmes and Watson investigate a retired FBI agent’s murder, they discover the man’s death is connected to an unsolved case from the victim’s career.

The episode was rated 7.90 from 2193 votes.