Watson
Created by Craig Sweeny
In Watson 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. Watson's old life isn't done with him, though — Moriarty and Watson are set to write their own chapter of a story that has fascinated audiences for more than a century. Watson is a medical show with a strong investigative spine, featuring a modern version of one of history's greatest detectives as he turns his attention from solving crimes to addressing the greatest mystery of all: illness, and the ways it disrupts our lives.
The latest season of Watson has concluded on CBS. It ran from October 13, 2025 to May 3, 2026.
The latest season of Watson has concluded on CBS. It ran from October 13, 2025 to May 3, 2026.
Where to watch in the US
Latest season’s US availability not verified
We haven’t verified current watch options for the latest season. Check the service’s episode list.
Release details
Known dates and milestones
Released
CBS
Since Oct 13, 2025
Released
Finale
Since May 3
Dates & episodes
Season guide
Current and recent seasons first. Original premiere dates, not current availability.
Episode guide
Season 2 episodes
- 1
A Son in the Oven source at TVmaze
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; Sherlock Holmes resurfaces after being presumed dead.
- 2
Back from the Dead source at TVmaze
When a microbiology university researcher returns from an expedition to Siberia, she and her team members fall ill from a possible revived pathogen; Watson catches up with his friend Sherlock Holmes after finding out he is alive.
- 3
Expletive Deleted source at TVmaze
Watson and the team work alongside Laila to help a patient named Maxine, a 30-year-old who looks 10.
- 4
Happy When It Rains source at TVmaze
Watson and the team jump into action when four people become infected with what seems like a flesh-eating bacterium; Shinwell searches for meaning as a nursing student; Adam's wedding to Lauren risks being halted.
- 5
Lucky source at TVmaze
While visiting another hospital, Watson becomes convinced that a man is suffering from locked-in syndrome and has been mistaken for a coma patient for over a decade; Sherlock is back in town and is staying with Watson.
- 6
Buying Time source at TVmaze
Watson and the fellows race against time to save the life of Casey, 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 source at TVmaze
Watson's father, Hamish, visits UHOP to introduce Watson and the fellows to his protégé, Annabelle, a saxophone prodigy with musically induced blackouts.
- 8
Livvy Sees The Doctor source at TVmaze
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 source at TVmaze
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 source at TVmaze
Watson's biohacker friend Hobie (aka the man with the glowing chest) 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 source at TVmaze
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 source at TVmaze
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 source at TVmaze
Watson and the fellows fight to revive a 30-year-old woman, Audrey, after her heart stops and she experiences 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 source at TVmaze
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 source at TVmaze
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 source at TVmaze
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 source at TVmaze
The team works with Sherlock on a mysterious case, related to Watson's past.
- 18
Sic Semper Tyrannis source at TVmaze
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
The Rule of Three source at TVmaze
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 source at TVmaze
A seemingly random murder outside of UHOP sets the stage for the arrival of someone from Watson and Sherlock Holmes' past.
Cast and crew
About this information
Sources and attribution
Supporting links and attribution for the dates, credits, schedules and watch options shown on this page.
- Season premiere · CBSOctober 13, 2025Reported
“Watson season 2: October 13, 2025 on CBS”
- Season finale · CBSMay 3, 2026Reported
“Watson season 2 finale: May 3, 2026 on CBS”
- Cast and crew data
- Season release history
Release dates retain the source wording. Season history records original premieres; availability receipts identify options that can be used now or later.
Past changes
Season finale date announced: May 3, 2026 on CBS
Season premiere date announced: October 13, 2025 on CBS