

2025–2026 · CBS · Ended
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.
Sunday at 22:00 (America/New York)
This series has ended.
Last aired
S02E20 · The Cobalt Fissure
2026-05-04
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Ritchie Coster
Shinwell Johnson
'Watson' Season 3: What Would Have Happened If It Wasn't Canceled
TV Insider · May 4, 2026
After Getting Cancelled, CBS' Watson Just Delivered An A+ Twist That Has Me Questioning Everything
Cinemablend · Mar 30, 2026
Watson's Morris Chestnut on Why Audiences Love a Good Mystery
Television Academy · Feb 18, 2026
'Watson' ending explained: How the CBS series says goodbye to John Watson
Entertainment Weekly · May 3, 2026
'Watson' Finale: Creator On How Series Ended, What Season 3 Plans Were
Deadline · May 3, 2026
'Watson' Series Finale: How Does Morris Chestnut's Story End?
People.com · May 4, 2026
Watson season two review – a Sherlock Holmes spinoff full of naughty wit
The Guardian · Feb 15, 2026
Sherlock Holmes-inspired TV series cancelled as finale date officially confirmed
Radio Times · Mar 30, 2026