The fourth season of CBS' Elementary premiered November 5th, 2015 and the last episode aired May 8th, 2016.
Characters
Main Cast
- Jonny Lee Miller as Sherlock Holmes
- Lucy Liu as Joan Watson
- Aidan Quinn as Tommy Gregson
- Jon Michael Hill as Marcus Bell
Recurring Cast
- John Noble as Morland Holmes
- Ato Essandoh as Alfredo Llamosa
- Jordan Gelber as Eugene Hawes
Guest Cast
- Betty Gilpin as Fiona Helbron
- Tim Guinee as Agent McNally
Episode List
| № | # | Title | Directed by | Written by | Original Air Date |
|---|---|---|---|---|---|
| 73 | 1 | "The Past Is Parent" | John Polson | Robert Doherty | November 5, 2015 |
| Sherlock faces the consequences of his relapse, and his father arrives to try to fix the situation. Joan 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" | Ron Fortunato | Jason Tracey | November 12, 2015 |
| When 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. | |||||
| 75 | 3 | "Tag, You're Me" | Christine Moore | Bob Goodman | 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" | Michael Pressman | Robert Hewitt Wolfe | 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" | Alex Chapple | Arika Lisanne Mittman | December 10, 2015 |
| Sherlock and Joan investigate the murder of a struggling archaeologist who was seemingly killed for some vintage video games he unearthed. | |||||
| 78 | 6 | "The Cost of Doing Business" | Aaron Lipstadt | Jason Tracey | December 17, 2015 |
| 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. | |||||
| 79 | 7 | "Miss Taken" | Guy Ferland | Tamara Jaron | 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" | Christine Moore | Nick Thiel | January 14, 2016 |
| Sherlock thinks Watson and Det. 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" | Guy Ferland | Robert Hewitt Wolfe | 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, Sherlock's father is revealed. | |||||
| 82 | 10 | "Alma Matters" | Larry Teng | Bob Goodman | 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. | |||||
| 83 | 11 | "Down Where the Dead Delight" | Jerry Levine | Jeffrey Paul King | 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" | John Polson | Richard C. Okie | February 11, 2016 |
| Sherlock is recruited to heist a computer from a violent meth dealing motorcycle gang. While a former suspect from a previous case asks Joan to run a background check on her new boss. | |||||
| 85 | 13 | "A Study in Charlotte" | Guy Ferland | Robert Hewitt Wolfe | 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. | |||||
| 86 | 14 | "Who Is That Masked Man?" | Larry Teng | Jason Tracey | February 25, 2016 |
| Holmes investigates the assassination attempt on his father while trying to solve the triple homocide of Chinese gangsters. A secret about Sherlock's mother is revealed. | |||||
| 87 | 15 | "Up to Heaven and Down to Hell" | John Polson | Tamara Jaron | 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" | Ron Fortunato | Robert Hewitt Wolfe | March 10, 2016 |
| At the urging of Morland's wealthy associate, Henry Baskerville (Tom Everett Scott), 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 ME Hawes' work. | |||||
| 89 | 17 | "You've Got Me, Who's Got You?" | Seith Mann | Paul Cornell | 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; Moreland tries to charm Watson into doing him a favor. | |||||
| 90 | 18 | "Ready or Not" | Christine Moore | Bob Goodman | 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" | Aaron Lipstadt | Kelly Wheeler | 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" | Ron Fortunato | Arika Lisanne Mittman | 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" | Jeremy Webb | Nick Thiel & Jeffrey Paul King | 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" | Lucy Liu | Bob Goodman | April 24, 2016 |
| Sherlock's father, Morland (John Noble), 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" | Guy Ferland | Robert Doherty & Jason Tracey | 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" | John Polson | Robert Doherty & Jason Tracey | 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 | |||||