The essential episodes of Watson

Watch these 25 in order and you've got Watson — each pick states its reason.

  1. 01

    S01E01 · Pilot · January 26, 2025 · 43m

    Pilot2.5

    Dr. John Watson resumes his medical career as the head of a clinic dedicated to treating rare disorders six months after the death of his friend and partner, Sherlock Holmes, at the hands of Moriarty.

  2. 02

    S01E02 · Season 1 peak · February 16, 2025 · 43m

    Redcoat2.6

    Watson and the fellows investigate the perplexing case of a family man with a bullet lodged in his head who insists he is a Scottish soldier and seems to be hiding something nefarious.

  3. 03

    S01E03 · Top rated · February 23, 2025 · 44m

    Wait for the Punchline2.2

    Watson and the fellows treat a comedian who collapses at an open mic night, but throughout the case her past is revealed to be much more complex than initially believed.

  4. 04

    S01E04 · Top rated · March 2, 2025 · 43m

    Patient Question Mark2.5

    When Sasha discovers a link between her current patient, who has advanced cancers and distinctive lesions on his tongue indicative of Cowden syndrome, and a cadaver she dissected during medical school, the team traces the case to Amish country.

  5. 05

    S01E05 · Top rated · March 9, 2025 · 44m

    The Man with the Glowing Chest2.3

    Watson takes a major ethical risk when he decides to treat a sickle cell patient with an unorthodox surgery, and the team faces their own dilemma when they must decide whether to look the other way or help the young woman.

  6. 06

    S01E06 · Top rated · March 16, 2025 · 43m

    The Camgirl Inquiry2.5

    Stephens musters the courage to ask Watson to help him when his camgirl suddenly collapses during a video call. He does not know anything about her real life, so the team must act quickly to locate her before it's too late.

  7. 07

    S01E07 · Top rated · March 23, 2025 · 44m

    Teeth Marks2.2

    While Watson and the team help a woman whose memory resets every three minutes, Watson struggles with auditory hallucinations and questions whether someone is behind his current decline. Also, Moriarty plots his next move.

  8. 08

    S01E08 · Top rated · March 30, 2025 · 43m

    A Variant of Unknown Significance2.5

    Watson runs into brilliant con artist and an old friend of Sherlock Holmes, Irene Adler, when her son Angus is admitted to UHOP for temporary paralysis. The fellows help Watson after he grows fond of Angus and pursue various leads to find a cure to his illness.

  9. 09

    S01E09 · Top rated · April 13, 2025 · 43m

    Take a Family History2.5

    Ingrid's lies come back to haunt her when her sister Gigi needs to be treated by the team after she develops side effects to the secret treatments Ingrid put her through. Also, Watson and Mary bond over a tragedy.

  10. 10

    S01E10 · Top rated · April 20, 2025 · 44m

    The Man with the Alien Hand2.3

    Watson is thrown into a detective case when he is unsure whether the patient he is treating for one of the most rare ailments in the world, Alien Hand Syndrome, is guilty of pushing his brother in front of a bus to his death.

  11. 11

    S01E12 · Top rated · May 4, 2025 · 41m

    My Life's Work (1)2.1

    When part of the team falls ill after becoming targets of a sinister plot, it becomes an all-hands-on-deck situation to save them before it's too late. Meanwhile, Watson announces a new ambitious project that he has been working on.

  12. 12

    S01E13 · Top rated · May 11, 2025 · 41m

    My Life's Work (2)2.0

    Watson and the team are faced with an impossible choice when two lives hang in the balance, but they only have one vial of antidote available. Meanwhile, Shinwell races to help the team, and Watson goes head to head with Moriarty.

  13. 13

    S02E05 · Top rated · November 10, 2025 · 43m

    Lucky2.4

    While visiting another hospital, Watson becomes convinced that a coma patient is suffering from locked-in syndrome and has been mistaken for a coma patient for over a decade. After the patient is transferred to UHOP for treatment, he shocks the team with chilling messages. Meanwhile, Sherlock is back in town and is staying with Watson.

  14. 14

    S02E06 · Top rated · November 17, 2025 · 43m

    Buying Time2.8

    Watson and the fellows race against time to save the life of Xavier, a 21-year-old athlete with a fast-growing, seemingly incurable cancer. Meanwhile, Mycroft Holmes lets Watson know his team’s work at UHOP may no longer have funding available.

  15. 15

    S02E07 · Top rated · November 24, 2025 · 43m

    Giant Steps2.2

    Watson's father, Hamish, visits UHOP to introduce Watson and the fellows to his protégé, Annabelle, a saxophone prodigy with musically induced blackouts. As Annabelle's condition worsens, Watson must confront his long-standing tensions with his father in order to save her.

  16. 16

    S02E08 · Top rated · December 1, 2025 · 43m

    Livvy Sees the Doctor2.0

    UHOP veers into terror when Watson and the fellows are taken hostage by a man with a bomb strapped to his chest who is desperate to find a cure for his 9-year-old daughter’s illness.

  17. 17

    S02E12 · Top rated · March 8, 2026 · 43m

    A Family Meal3.5

    When a patient arrives at the Holmes Clinic plagued by a mysterious neurological disorder, Watson and the fellows discover they were forced to eat their parents amid a childhood survival incident. Meanwhile, Adam is struggling with how his future will change as a father.

  18. 18

    S02E13 · Top rated · March 15, 2026 · 43m

    For a Limited Time Only2.5

    Watson and the fellows fight to revive a 30-year-old woman, Audrey, after her heart inexplicably stops repeatedly until they discover she has a rare phenomenon called Lazarus syndrome. As these revivals continue, she uses the short window of time available to right her greatest wrong.

  19. 19

    S02E14 · Top rated · March 22, 2026 · 43m

    Wrongful Life3.0

    Watson is sued for Wrongful Life by a long-term patient suffering from VACTERL association, after undergoing multiple painful surgeries.

  20. 20

    S02E15 · Top rated · March 29, 2026 · 43m

    A Third Act Surprise2.5

    Watson and the fellows race to save the life of a young woman who needs a lifesaving kidney donation. Meanwhile, Sherlock returns to help crack unsolved cases in Pittsburgh.

  21. 21

    S02E16 · Top rated · April 5, 2026 · 43m

    Respect the Process. Respect the Quirks2.7

    Watson investigates a case involving a mentally unstable mother, with the woman's delusions serving as a mirror to his own newly discovered hallucinations.

  22. 22

    S02E17 · Top rated · April 12, 2026 · 43m

    Unsolved Mysteries3.2

    In the wake of the car accident, Watson and Laila lie injured and awaiting rescue as the team races to find them before it’s too late. Meanwhile, in a state between life and death, Watson’s mind plays out a modern-day investigation of a case that has long haunted him.

  23. 23

    S02E18 · Top rated · April 19, 2026 · 43m

    Sic Semper Tyrannis3.2

    Following his brain tumor diagnosis, Watson goes on medical leave to seek treatment, leaving Mary in charge of The Holmes Clinic as a notorious South American dictator demands Watson see to his mysterious autoimmune condition personally. Meanwhile, Ingrid grows more concerned about Beck’s obsession with Sasha.

  24. 24

    S02E19 · Top rated · April 26, 2026 · 43m

    Rule of Three2.6

    As Adam's wife goes in for a C-section to deliver triplets, chaos ensues when their OB-GYN passes out in the operating room. Meanwhile, a severe storm detours Watson and Mary's trip to find a renowned doctor to remove Watson's brain tumor.

  25. 25

    S02E20 · Series finale · May 3, 2026 · 44m

    The Cobalt Fissure4.0

    A seemingly random murder outside of UHOP sets the stage for the arrival of someone from Watson and Sherlock Holmes' past.

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