Solve the puzzle. Save the patient.
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.
Browse every episode and jump into details.
Oct 13, 2025
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.
Oct 20, 2025
A microbiology researcher returns from an expedition to Siberia, leading to a possible outbreak of a revived pathogen. Watson reconnects with Sherlock Holmes.
Oct 27, 2025
Watson and the team work alongside Laila to help a patient named Maxine, a 30-year-old who looks 10 years old.
Nov 3, 2025
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.
Nov 10, 2025
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.
Nov 17, 2025
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.
Nov 24, 2025
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.
Dec 1, 2025
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.
Dec 8, 2025
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.
Dec 15, 2025
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.
Mar 1, 2026
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.
Mar 8, 2026
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.
Mar 15, 2026
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.
Quick answers about this season's release timeline and episode lineup.
Watson Season 2 premiered on October 13, 2025.
Watson Season 2 has 13 episodes.
The season opens with Season 2 Episode 1, "A Son in the Oven". It aired on October 13, 2025.
Go to Season 2 Episode 1