Elementary Wiki
Elementary Wiki

The fourth season of Elementary began airing on November 5, 2015.



Main cast[]

Recurring cast[]




No. overall No. in season Title Original airdate
73 1 "The Past Is Parent" November 5, 2015
Sherlock faces the consequences of his relapse, and his father arrives to try to fix the situation. Watson and Sherlock, trying to get back on NYPD's good side, search for a missing woman working the theory she was killed by her husband.
74 2 "Evidence of Things Not Seen" November 12, 2015
When Morland offers to use his influence to have Sherlock and Watson 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.
75 3 "Tag, You're Me" November 19, 2015
Sherlock and Watson are back working with the NYPD on a double homicide involving a doppelganger of the intended victim. Sherlock offers his consulting services to his father, to help him finish his business in New York.
76 4 "All My Exes Live in Essex" November 26, 2015
When 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.
77 5 "The Games Underfoot" December 10, 2015
Holmes and Watson investigate the murder of a struggling archaeologist who was seemingly killed for some vintage video games he unearthed. Sherlock sees Alfredo for the first time since his kidnapping.
78 6 "The Cost of Doing Business" December 17, 2015
Morland offers to act as one of his son's "Irregular" consultants so that he can lend Sherlock and Watson his considerable resources to help them solve a case.
79 7 "Miss Taken" January 7, 2016
The duo goes against a clever opponent, who forces Holmes to think out of the box. Meanwhile Watson's troubles with her father are brought into focus when he writes a book about her and Holmes.
80 8 "A Burden of Blood" January 14, 2016
Holmes thinks Watson and Detective Bell are having an affair. A series of apparently connected events occur after a murder which forces the detective to question his own theory at every step.
81 9 "Murder Ex Machina" January 21, 2016
A Russian billionaire is assassinated in New York and Holmes and Watson embark upon several instances of hacking and weaponory business. Meanwhile, a secret about Morland is revealed.
82 10 "Alma Matters" January 28, 2016
A social worker asks Holmes and Watson to investigate a private college, when she becomes convinced that they have murdered one of her colleagues. Sherlock uncovers more about the attempt on Morland's life.
83 11 "Down Where the Dead Delight" February 4, 2016
When evidence at the morgue is destroyed, suspicion falls on emerging gangs. Holmes believes that identifying a Jane Doe will help him unlock the case, while Watson deals with the reappearance of an old adversary.
84 12 "A View with a Room" February 11, 2016
Holmes is recruited to heist a computer from a violent meth dealing motorcycle gang. While a former suspect from a previous case asks Watson to run a background check on her new boss.
85 13 "A Study in Charlotte" February 18, 2016
When a gathering of mushroom aficionados are found dead, Holmes and Watson must explore an array of botanists, biochemists, academics and stoners for a poisoner. Watson deals with noisy neighbors next to the Brownstone.
86 14 "Who Is That Masked Man?" February 25, 2016
Holmes investigates the assassination attempt on his father while trying to solve the triple homicide of Chinese gangsters. A secret about Sherlock's mother is revealed.
87 15 "Up to Heaven and Down to Hell" March 3, 2016
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 investigate the murder of a wealthy woman who left her considerable estate solely to a beloved dog.
88 16 "Hounded" March 10, 2016
At 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 too fantastic to be real. Sherlock considers intervening when the trauma from the bombing at the morgue negatively impacts Dr. Eugene Hawes' work.
89 17 "You've Got Me, Who's Got You?" March 20, 2016
When a vigilante dressed as a comic book hero is murdered, it's up to Holmes and Watson to find the man's true identity and locate his killer. Morland tries to charm Watson into doing him a favor.
90 18 "Ready or Not" March 27, 2016
Holmes and Watson are called in to help locate a missing doctor. It is unclear at first whether he has gone into hiding or is a victim of foul play. Holmes and Fiona's relationship takes a new turn.
91 19 "All In" April 10, 2016
Holmes and Watson investigate a burglary at an illegal high stakes poker game held by Mycroft's ex girlfriend. Watson is suspicious of their employer.
92 20 "Art Imitates Art" April 10, 2016
Holmes and Watson investigate the murder of a young woman whose college selfie was turned into a piece of contemporary art. Watson tries to get closer to her half-sister.
93 21 "Ain't Nothing Like the Real Thing" April 17, 2016
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, Watson's inside man at Morland's office encounters a problem that threatens to expose her spying to Holmes and his father.
94 22 "Turn It Upside Down" April 24, 2016
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.
95 23 "The Invisible Hand" May 1, 2016
Sherlock's suspicions concerning Moriarty's handiwork turn out to be true and her evil successor is revealed. Morland's desire for vengeance causes Sherlock to consider just which brand of justice this new villain warrants.
96 24 "A Difference in Kind" May 8, 2016
Vikner's diabolical maneuvering to secure his position becomes known. Sherlock concocts a plan to unseat him only to unwittingly enable a power struggle, the ends of which he could barely have believed possible.