Season 4
23 episodes · Nov 5, 2015
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S4E1The Past is Parent
Nov 5, 201543mWhen Holmes faces criminal charges in the aftermath of his recent violent behavior and relapse, his powerful father arrives in New York to fix his estranged son’s legal difficulties by any means necessary. Also, with Holmes and Watson’s consultancy with the NYPD in jeopardy, Holmes concentrates on the case of a missing wife believed to have been killed by her husband to try and get back in the department’s good graces.
S4E2Evidence of Things Not Seen
Nov 12, 201543mWhen Morland offers to use his influence to have Sherlock and Joan reinstated as consultants to the NYPD, Sherlock’s mistrust of his father makes him question his motivation to help. Also, with no work offers coming in, Watson wrangles a gig with the FBI investigating a triple homicide in a top secret research lab.
S4E3Tag, You're Me
Nov 19, 201542mWhen Sherlock finds himself distracted by his father’s ongoing presence in New York City, he offers to help Morland resolve a work issue in exchange for his prompt departure home. Also, Holmes and Watson’s investigation into the double murder of two men who looked alike leads them into the world of facial recognition technology.
S4E4All My Exes Live in Essex
Nov 26, 201543mWhen Holmes and Watson investigate the murder of a fertility lab technician, they discover the woman had a secret personal life that leads them to multiple suspects. Also, the tables are turned on Watson when she’s investigated by an NYPD detective.
S4E5The Games Underfoot
Dec 10, 201541mWhen an archeologist is murdered, Holmes and Watson believe the man may have been killed for what he discovered during his last excavation in a local landfill. Also, Sherlock’s relationship with Alfredo, his friend and former sobriety sponsor, hits a rough patch.
S4E6The Cost of Doing Business
Dec 17, 201543mMorland 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.
S4E7Miss Taken
Jan 7, 201643mWhen 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.
S4E8A Burden of Blood
Jan 14, 201640mHolmes 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.
S4E9Murder Ex Machina
Jan 21, 201643mHolmes 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.
S4E10Alma Matters
Jan 28, 201643mHolmes’ 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.
S4E11Down Where the Dead Delight
Feb 4, 201643mHolmes 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 when an NYPD detective she’s in a grudge match with asks her to consult on a case.
S4E12A View With a Room
Feb 11, 201642mCaptain 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.
S4E13A Study in Charlotte
Feb 18, 201643mSherlock 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.
S4E14Who Is That Masked Man?
Feb 25, 201643mWhen 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. Also, when three gang members are murdered, Holmes and Watson are amazed when an elderly woman emerges as their prime suspect.
S4E15Up to Heaven and Down to Hell
Mar 3, 201643mWhen 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 investigate the murder of a wealthy woman who left her considerable estate solely to a beloved dog.
S4E16Hounded
Mar 10, 201643mAt the urging of Morland’s wealthy associate, Henry Baskerville, Holmes and Watson look into the death of his brother and discover that a witness saw the man chased to his death by a large, glowing animal.
S4E17You've Got Me, Who's Got You?
Mar 20, 201643mAfter 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.
S4E18Ready or Not
Mar 27, 201640mWhen 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. Holmes exhibits odd behavior when his romantic relationship with Fiona hits a critical point.
S4E19All In
Apr 10, 201643mA 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.
S4E20Art Imitates Art
Apr 10, 201643mAs 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.
S4E21Ain't Nothing Like the Real Thing
Apr 17, 201643mWhen 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, Watson's inside man at Morland's office encounters a problem that threatens to expose her spying to Holmes and his father.
S4E22Turn It Upside Down
Apr 24, 201643mSherlock’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.
S4E23The Invisible Hand
May 1, 201642mWhen Holmes and Watson discover the perpetrator behind the attempt made on Morland’s life, they find a shocking connection to themselves.