Watson — Season 2
Solve the puzzle. Save the patient.
About this season
A year after the death of his friend and partner Sherlock Holmes at the hands of Moriarty, Dr. John Watson resumes his medical career as the head of a clinic dedicated to treating rare disorders. However, he soon finds that his old life is not done with him yet.
Episodes (20)
1. A Son in the Oven
1.9Aired 13 October 2025 • 43 min
Watson and the fellows spring back into action when Mary’s mother accidentally poisons herself while suffering from a rare form of dementia that is progressing with impossible speed. Meanwhile, Sherlock Holmes resurfaces after being presumed dead.
2. Back from the Dead
2.0Aired 20 October 2025 • 43 min
A microbiology researcher returns from an expedition to Siberia, leading to a possible outbreak of a revived pathogen. Watson reconnects with Sherlock Holmes.
3. Expletive Deleted
2.2Aired 27 October 2025 • 43 min
Watson and the team work alongside Laila to help a patient named Maxine, a 30-year-old who looks 10 years old.
4. Happy When It Rains
1.9Aired 3 November 2025 • 43 min
Watson and the team jump into action when four new patients are brought to UHOP with wounds that appear to be infected with a flesh-eating bacterium following a tornado. Meanwhile, Shinwell searches for meaning as a nursing student and Adam’s wedding to Lauren risks being halted.
5. Lucky
2.6Aired 10 November 2025 • 43 min
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.
6. Buying Time
3.2Aired 17 November 2025 • 43 min
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.
7. Giant Steps
2.5Aired 24 November 2025 • 43 min
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.
8. Livvy Sees the Doctor
2.3Aired 1 December 2025 • 43 min
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.
9. Shannon Says Bex Loves Micah
1.8Aired 8 December 2025 • 43 min
Watson and the fellows help Laila’s son Micah – who was injured in a car accident while pursuing his crush, Bex, with the help of his AI chatbot.
10. Never Been CRISPR'd
1.7Aired 15 December 2025 • 43 min
Watson’s biohacker friend Hobie returns when he rushes his new girlfriend to the Holmes Clinic after they partake in a gene-editing experiment that goes wrong. Meanwhile, Watson becomes suspicious of Sherlock.
11. The Tunnel Under the Elms
2.1Aired 1 March 2026 • 43 min
Watson and the fellows race against the clock to save a man and his pregnant wife from a terrifying sinkhole. Meanwhile, Ingrid’s future with her therapy group becomes unclear.
12. A Family Meal
4.3Aired 8 March 2026 • 43 min
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.
13. For a Limited Time Only
3.0Aired 15 March 2026 • 43 min
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.
14. Wrongful Life
3.7Aired 22 March 2026 • 43 min
Watson is sued for Wrongful Life by a long-term patient suffering from VACTERL association, after undergoing multiple painful surgeries.
15. A Third Act Surprise
3.0Aired 29 March 2026 • 43 min
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.
16. Respect the Process. Respect the Quirks
3.1Aired 5 April 2026 • 43 min
Watson investigates a case involving a mentally unstable mother, with the woman's delusions serving as a mirror to his own newly discovered hallucinations.
17. Unsolved Mysteries
3.7Aired 12 April 2026 • 43 min
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.
18. Sic Semper Tyrannis
3.7Aired 19 April 2026 • 43 min
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.
19. Rule of Three
3.0Aired 26 April 2026 • 43 min
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.
20. The Cobalt Fissure
4.7Aired 3 May 2026 • 44 min
A seemingly random murder outside of UHOP sets the stage for the arrival of someone from Watson and Sherlock Holmes' past.