Elementary

Detective Sherlock Holmes and his partner, Dr. Joan Watson, use their investigative skills to help the NYPD solve complex cases. In the season's first episode, they work on a home invasion that leads to a fatal outcome.

Sherlock consults on a murder case involving a young man who is fatally shot as he enters his apartment, using his deductive skills to uncover clues. At the same time, John Watson meets for dinner with her former boyfriend, Ty Morstan.

Sherlock Holmes and Dr. John Watson investigate the disappearance of a child, uncovering a pattern linked to a serial killer known as "The Balloon Man" for leaving a set of balloons at each crime scene.

Sherlock investigates a string of seemingly unrelated deaths at a prestigious Wall Street firm, suspecting a serial killer may be involved. Meanwhile, Joan goes on a blind date that tests her observational and deductive skills.

Sherlock investigates a series of deaths at a hospital, suspecting foul play disguised as natural causes. At the same time, he gains insight into Joan's reasons for leaving her career in surgery.

Joan attends a dinner with Sherlock's father, exploring their complex relationship. At the same time, Sherlock examines the crash of a small jet, uncovering clues that suggest a deeper mystery than a mere accident.

Sherlock investigates a double homicide linked to a string of murders from 13 years prior through a similar modus operandi, while Watson, estranged from Sherlock, returns to her former rehab facility to uncover clues about a mysterious patient under her supervision.

Sherlock investigates a fatal explosion and uncovers a long-buried crime, while Watson pushes him to choose a sponsor.

Sherlock employs his keen deductive abilities to solve the murder of a university professor, while Watson is drawn into a legal dispute when an ex-partner asks for her assistance in proving they were not responsible for a hit-and-run incident.

Sherlock investigates the theft of an impenetrable bank vault known as "The Leviathan," while Joan is pleased when Sherlock meets her family and supports her decision to work as a sober companion.

Sherlock and Joan examine the death of a luxury hotel's general manager, discovered in an industrial laundry machine. As Joan prepares to leave, Sherlock proposes an apprenticeship to keep her on.

Sherlock reunites with "M.", a British criminal who has tracked him to New York, while Joan considers whether to accept a new case as she prepares to leave him.

Sherlock, suspended from the NYPD, looks into a hit-and-run accident linked to a conspiracy theorist. At the same time, Watson attempts to mediate tensions between Sherlock and Gregson.

Sherlock Holmes investigates Martin Ennis, a volatile criminal who may soon commit another crime, collaborating with FBI profiler Kathryn Drummond, an expert on Ennis. Meanwhile, Dr. Watson deals with the threat of being evicted from her apartment.

Sherlock's former drug dealer, Rhys, seeks his help, raising Watson's concerns about Sherlock's sobriety when Rhys suggests that Sherlock was a more effective detective while under the influence.

Sherlock Holmes investigates the attack on Detective Bell, expecting a straightforward case, but his pursuit leads to the death of the suspected attacker, complicating the mystery. At the same time, he urges Joan to take self-defense lessons.

Sherlock explores a case centered on a wealthy philanthropist who suspects his terminal illness was intentionally caused. At the same time, he attempts to train Joan in his deductive methods by sending her to investigate a questionable dry cleaning business.

Joan takes on her first independent case when a woman goes missing, leaving behind a video filled with tears and a cryptic reference to a subway platform murder. As Joan searches for the missing woman, Sherlock investigates the murder mentioned in the video.

Sherlock and Joan work to stop a high-stakes heist targeting the largest cash vault in the U.S. during a severe blizzard. At the same time, Sherlock offers temporary shelter to Ms. Hudson, a transgender woman navigating the aftermath of a recent breakup.

Sherlock and Joan investigate a blackmailer's accomplice involved in targeting the families of rape victims. At the same time, Sherlock struggles with the emotional weight of his first sobriety anniversary.

Sherlock begins investigating Moriarty's potential return after Sebastian Moran uncovers evidence that a man believed dead from a heart attack was on Moriarty's original list of targets.

Sherlock takes on a case presented by a man who claims to be Moriarty, believing it may lead him to his elusive adversary. At the same time, Gregson urges Joan to leave her perilous current profession and return to her previous work as a sober companion.

Sherlock is shaken by the return of Irene Adler, his former lover, and a series of flashbacks reveal the events that led to his struggle with addiction. At the same time, Sherlock and Joan find themselves targeted once more by the mysterious Moriarty.

Sherlock is thrown into emotional turmoil by the unexpected return of Irene Adler, with flashbacks revealing the events that contributed to his descent into addiction. At the same time, he and Joan become entangled in a new conflict with the elusive Moriarty.

Sherlock returns to London to re-examine a past case, leading to a tense reunion with his estranged brother Mycroft. Despite their history of conflict, Mycroft offers Sherlock and Joan temporary residence at his newly acquired home, 221B Baker Street. Joan becomes an unintentional mediator as the brothers navigate their difficult relationship.

A renowned mathematician's mysterious death leads Holmes and Watson to investigate both his murder and the significance of a secret equation he was studying. At the same time, Watson faces a moral dilemma when the son of one of her former patients asks for financial help.

Holmes and Watson investigate a civil contractor accused of leaking classified information, but their inquiry becomes complicated when they are pursued by a group of cyber-activists defending him. At the same time, Joan follows a friend's suggestion and joins an online dating service.

A financial consulting company CEO dies from poisoning, prompting Sherlock to investigate with the help of Dr. Watson, as a mysterious woman from Sherlock's past becomes a person of interest.

Holmes and Watson investigate the murder of a former assassin, delving into the criminal underworld in search of the killer. At the same time, Watson assists a close friend in uncovering the identity of a mysterious man who recently disappeared after a brief romantic encounter.

Captain Gregson's home is targeted by a masked gunman, prompting Holmes and Watson to investigate and prevent further attacks, while Gregson shares personal details with his team that provide new insight into his life.

Mycroft Holmes arrives in New York and asks Sherlock and Joan to assist with a case involving his ex-fiancée. At the same time, Sherlock struggles with his feelings about Mycroft's relationship with Joan.

A young woman is found murdered, prompting Holmes and Watson to uncover her connection to a wealthy CEO. At the same time, Mycroft argues that Sherlock should return to London.

Sherlock Holmes and Dr. John Watson investigate a dormant serial murder case, leading to conflicts with the New York Police Department as they pursue the killer's identity.

Sherlock and Watson find themselves entangled in a police investigation after a case takes a disastrous turn, forcing Sherlock to give testimony that puts their working relationship with the NYPD at risk.

Holmes and Watson investigate the murder of a hedge fund manager who was operating a Ponzi scheme, seeking to identify the culprit among his clients. Meanwhile, Sherlock considers supporting a fellow recovering addict.

Holmes and Watson encounter Moriarty when he is hired as a consultant to assist with a kidnapping investigation, forcing them to navigate a complex and dangerous situation. Meanwhile, Detective Bell continues to face challenges as he works toward his physical and emotional recovery.

Holmes and Watson investigate a murder after a body is discovered in a barrel, uncovering potential links to the mafia. At the same time, Sherlock works to mend his relationship with Detective Bell.

Joan investigates a cold case linked to a rare prehistoric fossil, uncovering a previously unsolved murder. Meanwhile, Sherlock faces ethical challenges as his role as a sobriety sponsor becomes increasingly personal.

Sherlock Holmes investigates the murder of a promising ballerina within a prestigious dance company, while Dr. John Watson conducts a separate inquiry into the disappearance of a homeless veteran reported to have been abducted by his friend.

Holmes and Watson reluctantly collaborate with Gareth Lestrade, a former colleague of Sherlock's from Scotland Yard, during a high-stakes investigation into a bombing case, leading to growing tensions between the partners.

Holmes and Watson investigate a man who, long suspected of murdering his wife, is now receiving a ransom demand claiming the wife is alive and will be released. At the same time, Lestrade's extended stay at 221B Baker Street becomes an ongoing source of tension as he refuses to leave.

A renowned cancer researcher is discovered dead, prompting Holmes and Watson to investigate whether his death is connected to his groundbreaking new invention. At the same time, Bell is officially cleared to return to active duty.

A serial killer who was believed to be dead appears to be active again, continuing his pattern by biting his victims.

A pickpocket's sudden death from anthrax poisoning leads Holmes and Watson to investigate the origin of the toxin in an effort to stop further fatalities.

Mycroft returns to New York, creating tension between Sherlock and Joan due to his unclear intentions. Sherlock and Joan investigate a missing persons case that leads them into the realm of drone technology.

Sherlock must work alongside his distant brother, Mycroft, to unravel a high-stakes case that puts their personal tensions to the test.

Holmes and Watson become entangled with MI-6 when a routine murder case reveals broader international and political consequences. At the same time, Watson reflects on her relationships with Sherlock and Mycroft following a significant crisis.

Sherlock and Joan confront growing tensions that threaten their partnership as they set aside their differences to assist Sherlock's brother, Mycroft, who is accused of serious crimes.

Sherlock returns to New York with a new apprentice and a desire to collaborate with the NYPD, but must first gain the approval of his former partner Joan, now a key private investigator for the department, in order to resume his consulting work.

Sherlock and Joan investigate two connected murders, but Sherlock's new apprentice jeopardizes the case by letting her jealousy of the duo's partnership cloud her professional judgment.

Sherlock assists a mathematical prodigy from his network of specialists when the young man discovers a corpse during a competitive puzzle event. Meanwhile, Joan tries to mend their relationship by reaching out to Kitty, seeking to understand her history.

Sherlock investigates the theft of an advanced artificial intelligence program, though his true interest lies in proving the AI incapable of independent thought. Tensions arise when Joan discovers Sherlock has consulted with the AI's creator, Andrew, without her knowledge.

Sherlock Holmes and Kitty investigate the murder of a postal store owner linked to the illegal diamond trade, while Detective Gregson faces professional consequences after colliding with another NYPD officer.

Sherlock Holmes and Dr. John Watson investigate a murder linked to the theft of a valuable map. At the same time, Watson grows uneasy about Holmes's increasing involvement in Kitty's personal affairs.

Sherlock, feeling unchallenged, takes on a case involving a woman who vanished five years ago, with the only clue being the scent of nutmeg at the disappearance site, much to Joan's reluctant cooperation. At the same time, Joan's relationship with her long-distance boyfriend faces strain when a former acquaintance reemerges and requests her assistance.

Holmes and Watson collaborate with the NYPD to investigate the murder of a police officer, while Sherlock also pursues the identity of someone anonymously sharing his private sobriety meeting statements on a recovery blog.

Watson teams up with Holmes and Kitty to find a missing nurse from her past, uncovering a connection to another recent disappearance.

Kitty investigates a missing teenager while Sherlock and Joan pursue a case involving the murder of a top bioengineer, suspected to be linked to a drug cartel. Meanwhile, Joan faces a significant personal decision, fearing it may affect Sherlock, unaware that he has a major revelation of his own.

Watson starts a new role as an investigator for an insurance company, but becomes involved in a case that takes on personal significance when she and Holmes work together to protect Kitty from a dangerous threat.

Kitty becomes increasingly unstable as she faces a growing danger, prompting Sherlock and Joan to redouble their efforts to protect her. Meanwhile, new insight is provided into the nature of Sherlock's relationship with Kitty.

Holmes and Watson investigate the murder of a debt collector, working to identify the killer among the thousands of people who owed him money. At the same time, Watson's relationship with Andrew advances as he invites her to meet his father for the first time.

Watson unexpectedly crosses paths again with Elana March, the criminal she previously helped convict. Meanwhile, with Watson preoccupied, Holmes teams up with Detective Bell to look into a theft at a local zoo.

Holmes and Watson investigate a string of murders in which each victim is found with an envelope of cash, leading them into the complex realm of wrongful death settlements. Meanwhile, Holmes offers support to Watson as she deals with the lingering effects of a recent personal tragedy.

Sherlock Holmes, implicated in the murder of a woman killed during his period of addiction, takes on the case to uncover any link between them. With Dr. Watson's assistance, Holmes follows the evidence, which begins to undermine his certainty about his own past and character.

Sherlock Holmes and Joan Watson examine what seems to be a murder caused by road rage, but their investigation shifts when they discover the victim was instantly frozen at the moment of death. Meanwhile, Joan is caught in a difficult situation when Watson's mother learns that Joan's brother is having an affair and pressures her to address it.

A ridesharing driver is struck by a city cab, prompting Holmes and Watson to investigate potential motives rooted in professional rivalry. Meanwhile, Holmes's personal life becomes complicated as a romantic connection with one of his longtime associates takes an unexpected turn.

Sherlock Holmes and Dr. John Watson become entangled in an online conflict resembling a civil war after a member of Everyone, an anonymous hacker collective they occasionally collaborate with, is found dead.

Sherlock Holmes and Dr. John Watson look into the death of a renowned skeptic who exposed fraudulent paranormal and scientific claims. The investigation takes a serious turn when it uncovers a possible danger to national security. Meanwhile, NYPD officer Hannah Gregson, daughter of Inspector Gregson, seeks Watson's assistance with an ongoing case.

Holmes and Watson investigate the murder of two paramedics during a kidnapping and pursue the suspect who took a woman hostage. Meanwhile, Holmes discovers a significant secret about his recovery sponsor, Alfredo, that puts a strain on their relationship.

A judge is found murdered, prompting Holmes and Watson to join an interstate investigation targeting an escaped convict from a private prison. Meanwhile, Holmes' analysis of Detective Bell's new romantic relationship causes tension in the budding romance.

Sherlock Holmes and Dr. John Watson investigate the death of a beekeeping researcher linked to a deadly honey bee outbreak in the Northeast. They consult Tara Parker, a leading entomologist and head of New York's beekeeping society, during their inquiry. Meanwhile, Captain Gregson asks Watson to assist in a confidential case that influences a significant personal decision.

Sherlock Holmes and Dr. Watson investigate the mysterious disappearance of Holmes' recovery sponsor, Alfredo, uncovering details about his past and current struggles. As they search for answers, Holmes begins to wonder if Alfredo was taken against his will or if his absence is linked to a potential relapse into addiction.

Sherlock Holmes faces criminal charges following a violent outburst and relapse, prompting his influential father to intervene in New York to resolve his son's legal issues. Meanwhile, with their consultancy with the NYPD at risk, Holmes and Watson focus on a case involving a missing woman suspected to have been murdered by her husband, in an effort to regain the department's trust.

Morland proposes using his influence to restore Sherlock and Joan's consulting status with the NYPD, but Sherlock remains skeptical due to his longstanding distrust of his father. Meanwhile, with no new cases coming in, Joan secures a temporary assignment with the FBI to investigate a triple murder at a classified research facility.

Sherlock enlists Morland's help with a work-related problem in hopes of convincing his father to leave New York. Meanwhile, Holmes and Watson investigate the murders of two men who appear to be identical, delving into the realm of facial recognition technology.

Holmes and Watson look into the death of a fertility lab technician, uncovering aspects of her private life that complicate the investigation and point to several potential suspects. Meanwhile, Watson finds herself under scrutiny by an NYPD detective.

An archeologist's murder prompts Holmes and Watson to investigate a possible link to a recent excavation in a landfill. Meanwhile, Sherlock's friendship with Alfredo, his former sobriety sponsor, begins to strain under unresolved tensions.

Morland volunteers to serve as an "Irregular" consultant for his son, offering his extensive resources to assist Sherlock and Joan in their investigation.

A conflict arises between Watson and her stepfather when he publishes a crime novel inspired by her work with Holmes without her consent. Meanwhile, Holmes and Watson investigate the murder of a retired FBI agent, uncovering links to a cold case from his past.

Sherlock Holmes and Dr. Joan Watson examine a murder that mirrors the signature style of a notorious serial killer currently in prison. Meanwhile, Sherlock and Joan assist Detective Bell in preparing for a sergeant's exam that could result in a promotion and a transfer to a different precinct.

Sherlock and Watson investigate a string of murders linked to a computer hacker, including the killing of a Russian billionaire in New York City. Meanwhile, Joan is taken aback when she receives a dinner invitation from Sherlock's father.

Holmes' fragile reconciliation with his father is jeopardized when Morland's hidden secrets emerge, endangering their safety. Meanwhile, Holmes and Watson probe two murders linked to a for-profit college's unlawful recruitment activities.

Holmes and Watson investigate a bombing at a New York City morgue with no physical evidence to guide them. Meanwhile, Watson grows wary when a rival NYPD detective she has a history with requests her assistance on a case.

A narcotics officer refers Captain Gregson to Sherlock Holmes to plan a high-stakes heist against a well-protected drug-dealing biker gang. Meanwhile, Dr. Watson, working with Fiona Helbron, uncovers an unexpected revelation about Holmes.

Sherlock and Joan investigate the deaths of a botany professor and several students, who were poisoned with toxic mushrooms. Meanwhile, Joan becomes concerned when loud noises from her neighbor's house reveal that it has been rented out to a group of rowdy partygoers.

Holmes' investigation into an assassination attempt on Morland intensifies tensions between him and Watson, culminating in a revelation about Sherlock's mother. Meanwhile, an elderly woman becomes the primary suspect in the murders of three gang members, surprising both Holmes and Watson.

Watson meets Captain Gregson and his girlfriend, a former NYPD officer, which leads to the unraveling of their relationship. Meanwhile, Holmes and Watson look into the death of a wealthy woman whose entire estate was left to her cherished dog.

Holmes and Watson investigate the mysterious death of Henry Baskerville's brother, prompted by concerns from Henry's wealthy associate, Morland. A witness claims to have seen the deceased being chased by a large, luminous creature just before his death.

Holmes and Watson investigate the murder of a vigilante dressed as a comic book hero, seeking to uncover his true identity and the circumstances behind his death.

Holmes and Watson investigate the disappearance of a survivalist doctor, trying to determine if he left intentionally or was the victim of a crime. Meanwhile, Holmes's behavior becomes erratic as his relationship with Fiona reaches a turning point.

A woman who runs clandestine, high-stakes poker games seeks help from Holmes and Watson, claiming to be a former associate of Mycroft and asserting her life is in danger. As they delve into her case, Joan begins to question the woman's honesty.

Holmes and Watson investigate a woman's murder and uncover a connection to a piece of artwork tied to a past crime from her college years. Meanwhile, Watson, grappling with a recent personal revelation, tries to build a relationship with a new client.

Holmes and Watson investigate a double murder and uncover that the victims were in the process of faking their own deaths when they were actually killed. Meanwhile, Watson's informant at Morland's office faces a crisis that risks revealing the espionage operation to Holmes and his father.

Sherlock and Joan investigate the murder of one of Morland Holmes's employees, which initially appears to be a robbery, leading them to question whether Sherlock's estranged father is involved.

Holmes and Watson uncover the culprit behind an assassination attempt on Morland and discover a surprising link to their own past.

Holmes and Watson find themselves in danger from a powerful global criminal organization linked to an attempt on Morland Holmes' life. Meanwhile, Sherlock's unresolved tensions with his father strain their partnership as they work to take down their shared enemy.

After a dormant serial bomber resumes attacks, Dr. Watson turns to Shinwell Johnson, a man she once saved during her time as a surgeon, for assistance. Meanwhile, Holmes becomes concerned when he notices Watson's growing dissatisfaction with her life as a detective.

A local gang leader kidnaps Holmes to help identify those who attacked his crew, drawing Holmes and Watson into a global race to recover a valuable ancient artifact. Meanwhile, Watson considers whether to help a colleague with a request that challenges her professional boundaries.

Holmes is hired by Captain Gregson's girlfriend to investigate a case she wants kept secret from him. Meanwhile, Holmes and Watson assist the NYPD in the search for a woman who has been abducted.

Captain Gregson seeks to have Holmes and Watson recognized alongside his unit for their outstanding work, while the detective duo delves into the murder of a financial analyst, uncovering connections to the field of asteroid research.

Sherlock Holmes and Dr. Watson investigate the murder of a man who secretly operated as a vigilante, exposing and humiliating sexual predators online. Meanwhile, Holmes clashes with Watson over how to assist Shinwell, whose criminal past hinders his job prospects.

Sherlock Holmes and Dr. Watson look into a series of deaths after a chef and his guests are poisoned by a tasting menu laced with snake venom. Meanwhile, Detective Bell's growing feelings for a coworker prompt Holmes to reflect on the state of his relationship with Fiona.

Sherlock Holmes and Dr. Watson investigate two separate but connected murders involving a base jumper who is first shot mid-air and later killed when his parachute is tampered with. Meanwhile, Joan becomes concerned when her sister Lin claims to see Shinwell with members of his former criminal associates and takes decisive action to prevent his return to a life of crime.

Joan becomes concerned about Sherlock's sobriety after discovering he has lied about attending recovery meetings. Meanwhile, Sherlock and Joan investigate a man's death caused by poisoned sausage, uncovering a link to a lab involved in artificial meat research.

Shinwell seeks the help of Holmes and Watson after being accused of a gang-related murder, giving them three days to uncover the truth and prevent his wrongful arrest.

Watson becomes involved in a DEA investigation targeting physicians who prescribe illegal drugs, and she teams up with Holmes to uncover who is misusing her medical license to distribute narcotics.

Holmes and Watson attempt to rescue a woman who has been missing for years before her captor takes irreversible actions. Meanwhile, Watson grows impatient with Shinwell's lack of commitment to the informant training he has agreed to undergo with her and Holmes.

Sherlock Holmes and Dr. Watson travel upstate to investigate the murder of a clown and uncover a link between the case and the development of a dangerous new virus. Meanwhile, Watson assists Bell when his new love interest, Chantal, faces interference from her ex-husband, who is trying to undermine her work as a district attorney.

A man holds several people, including Joan, hostage and demands that Sherlock find the person responsible for his son's death within 16 hours, threatening to kill the hostages if the statute of limitations on the case expires.

Sherlock Holmes and Joan Watson look into the death of a former eSports professional who was attacked during a live stream in front of his audience. Meanwhile, Shinwell seeks Joan's counsel as his teenage daughter reaches out to reconnect after years of estrangement.

Kitty Winter, a former protégé of Sherlock Holmes, returns to New York after three years to warn him that a killer is targeting individuals involved in a past case they worked on in London. Holmes, along with Joan Watson, the NYPD, and Kitty, investigates the string of murders, uncovering a dangerous conspiracy. Meanwhile, Watson learns that Kitty is hiding a secret that could significantly alter the course of her life.

Joan and Kitty investigate a series of murders linked to a past case Sherlock and Kitty solved in London, uncovering potential ties to a conspiracy involving the Defense Intelligence Agency. Meanwhile, Sherlock and Kitty's relationship faces tension after she reveals significant, life-altering news.

Holmes and Watson are called in to investigate a homicide detected by an advanced gunshot recognition system, despite the lack of physical evidence. Meanwhile, Sherlock and Joan grow suspicious of Shinwell after he survives a drive-by shooting that links him to an unsolved murder.

Sherlock and Joan begin to question Shinwell's true nature as they look into a possible unsolved murder involving his friend and fellow gang member. Meanwhile, they take on a new case involving a treasure map said to lead to a hidden fortune in pirate gold scattered throughout New York City.

Sherlock Holmes and Dr. Watson probe the death of a man Holmes once regarded as one of New York's most unscrupulous private detectives. Meanwhile, Holmes, still troubled by his earlier defeat at the hands of Shinwell, channels his frustration into targeting a local network of private investigators.

Sherlock Holmes and Dr. Watson become entangled in a case involving murder and mysticism after a magician dies during a live performance of a well-known trick. Meanwhile, Watson grows concerned that Inspector Lestrade's colleague, Bell, may be the target of Chantal's ex-husband, who has falsely accused him, leading to an Internal Affairs inquiry.

Detective Bell becomes entangled in a case when his girlfriend, Chantal, is assaulted and her ex-husband is found dead under suspicious circumstances that Holmes and Watson uncover as a staged suicide, leading them to suspect a single perpetrator behind the connected events. As Bell struggles with his desire for personal justice for Chantal, Sherlock comes to a painful understanding about a hidden aspect of the detective's past.

A reality show contestant is found dead, prompting Holmes and Watson to investigate a dangerous suspect with a history as a war criminal. Meanwhile, Shinwell, who previously attacked Sherlock, contacts Joan to request a favor.

Holmes and Watson probe a murder case that leads them into the dangerous territory of a powerful New York gang. As the investigation unfolds, Holmes' unusual interactions with an enigmatic woman begin to affect his typically composed demeanor.

Holmes and Watson investigate a murder that triggers a gang war in New York City, with the NYPD struggling to control the escalating violence. Their inquiry reveals that someone they know is orchestrating the conflict from the shadows.

Sherlock Holmes faces a medical crisis that jeopardizes his career and recovery, prompting a meeting with Michael, a man who credits Holmes with helping him overcome addiction. Meanwhile, Holmes and Dr. Watson take on a case involving a reformed socialite heiress whose old sex tape has resurfaced, and they are tasked with finding the missing co-star.

Watson and her half-sister Lin respond differently to the death of their estranged biological father. Meanwhile, Holmes and Watson investigate the murder of a Department of Energy inspector and the theft of a plutonium shipment, which they suspect is intended for use in a dirty bomb.

Holmes and Watson investigate a murder that occurs during a Revolutionary War reenactment, delving into the realm of rare antiquities. Meanwhile, Holmes, still recovering cognitively, finds comfort and support in his deepening friendship with Michael.

While investigating the murder of her former psychologist, Watson discovers a file containing her own therapy records, prompting her to reconsider a significant change in her personal life.

Holmes and Watson investigate a mysterious case after Holmes awakens with no memory of the previous six hours and in possession of a severed head.

Sherlock Holmes and Dr. John Watson become involved in a case concerning nuclear security after investigating the death of a former Yakuza member. Meanwhile, Captain Thomas Gregson is surprised by a shocking personal revelation from his daughter, Sergeant Hannah Gregson.

Holmes and Watson investigate a murder that strikes close to home, leading them into a case involving a serial killer. As Holmes becomes increasingly obsessed with solving the case, his neurological recovery falters and his sobriety is called into question.

Holmes and Watson investigate the murder of a woman discovered encased in cement, leading them into the world of clean technology. Meanwhile, Watson makes significant progress in exploring her interest in adoption.

Holmes is approached by his former sobriety sponsor, Alfredo, who seeks his help with an illegal scheme to save his brother. Meanwhile, Holmes and Watson look into the poisoning of a biology professor who had been working on a confidential genetics project before his death.

Sherlock Holmes reconnects with his estranged father, Morland Holmes, after a family death brings them together. Meanwhile, Holmes and Watson investigate a murder case involving a victim who was attempting to be mummified, uncovering connections to Egyptian antiquities.

Holmes enlists an old adversary to safeguard his father after learning that Morland is at risk of being killed. Meanwhile, Holmes and Watson investigate the murder of a lawyer who was examining the finances of a major cigarette distributor, uncovering a connection to the tobacco industry.

Detective Bell faces a career crossroads when offered a prestigious opportunity that may lead him to leave the NYPD. Meanwhile, Holmes and Watson take on a private case involving the disappearance of a young woman who maintained an online persona as a financial dominatrix.

Sherlock Holmes and Dr. John Watson look into the mysterious death of a relocation specialist, uncovering a hidden past as a professional assassin. Meanwhile, Watson faces an unexpected obstacle in her efforts to adopt a child as she awaits a critical home inspection by a social worker.

Holmes and Watson urgently assist Detective Bell after he is caught in a bio-terrorism incident at the precinct, leading to a station quarantine. As lockdown tensions rise and suspicions fall on someone inside, Watson also grapples with helping her mother, Mary, cope with the progression of her Alzheimer's.

Sherlock Holmes and Dr. John Watson investigate the murder of a religious studies professor, uncovering links to a mysterious occult group. Meanwhile, they begin evaluating candidates to replace Detective Bell, who may be transferred to the U.S. Marshal Service.

Holmes and Watson investigate the murder of a robotics engineer, suspecting a link to his secret research on real-life teleportation. Meanwhile, Detective Bell faces an unexpected obstacle when denied access to a crucial class for his master's degree, only to learn the instructor has personal motives for the decision.

Sherlock Holmes and Dr. Watson examine a zoologist's murder, considering both his controversial romantic life and groundbreaking research as potential motives. Meanwhile, Holmes becomes a victim of identity theft when his medical records are unlawfully accessed.

Sherlock Holmes and Dr. Watson investigate a series of murders in which the victims were foretold to die by a man who claimed to have the ability to predict future events, including Holmes's own death.

Holmes and Watson investigate the disappearance of a woman as Harlan Emple, a close associate of Holmes and expert in mathematics, emerges as the primary suspect.

The tension between Holmes and Watson and Sherlock's former friend Michael escalates as they investigate a new victim who appears to be the target of a serial killer.

Sherlock Holmes and Dr. Watson find their partnership tested as they investigate a murder case that pushes them to the limits of their trust and working relationship.

Holmes and Watson, now consultants for Scotland Yard, investigate an acid attack on a well-known model, leading them into the world of tabloid journalism. Meanwhile, Watson struggles with homesickness for New York, and Captain Gregson deals with guilt over his strained relationship with his former consulting duo.

Holmes and Watson attempt to conduct an investigation in the United States from London after a close associate is seriously injured by an unknown attacker. Meanwhile, Holmes faces legal complications in America due to a false murder confession, which jeopardizes their ability to solve the case.

Holmes enlists his father's questionable contacts to facilitate his legal return to New York after being barred from the United States. Meanwhile, Watson assists the NYPD in solving a murder at a high-end storage facility used by wealthy individuals to conceal items from customs officials.

Holmes and Watson investigate an explosion at a traffic stop, trying to determine if it was a terrorist act. They begin to suspect a deeper connection to a recent attack involving someone close to them.

Tech billionaire Odin Reichenbach enlists Holmes and Watson to look into a personal threat he believes comes from within his company, while the duo investigates three apparently unrelated murders to uncover a hidden connection.

Tech billionaire Odin Reichenbach offers Sherlock and Joan a unique opportunity to assist with a program designed to predict future crimes. Meanwhile, Bell seeks their help as he works to stop an NYPD officer who is planning a sniper attack.

Sherlock and Joan look into the killing of a thief who specialized in robbing other criminals. Meanwhile, Gregson returns to command of the precinct and begins to suspect that his temporary successor may be connected to the mysterious departure of one of his top detectives.

Sherlock Holmes and Dr. Watson investigate when Cassie Lenue, a gifted former criminal they previously incarcerated, approaches them for assistance in a murder case, prompting them to consider her possible hidden agenda.

Sherlock Holmes and Dr. Watson investigate the murder of a sculptor in New York City, questioning whether a long-inactive serial killer has returned. Meanwhile, Watson begins to suspect that Holmes is withholding information about tech mogul Odin Reichenbach.

Holmes and Watson are approached by their adversary, Odin Reichenbach, who enlists their help to evaluate his cutting-edge crime prediction system. They are assigned to investigate an individual flagged by the system as likely to commit a future crime, raising concerns that Reichenbach may act prematurely based on its findings.

Sherlock Holmes and Dr. Watson team up with Holmes' father, Morland, to dismantle Odin Reichenbach's advanced crime prevention system by leveraging Morland's extensive criminal connections.

A clue from tech mogul Odin Reichenbach inadvertently helps Holmes and Watson gather evidence that could hold him accountable for his actions.

As Holmes and Watson confront tech mogul Odin Reichenbach, they learn that their longtime adversary and Sherlock's ex-lover, Jamie Moriarty, has resurfaced.