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WATSON
Air Date: Sunday, April 26, 2026
Time Slot: 10:00 PM-11:00 PM EST on CBS
Episode Title: (#WAT219) "The Rule of Three"
[NOTE: The following article is a press release issued by the aforementioned network and/or company. Any errors, typos, etc. are attributed to the original author. The release is reproduced solely for the dissemination of the enclosed information.]

A SEVERE STORM DETOURS WATSON AND MARY'S TRIP TO FIND A DOCTOR TO REMOVE WATSON'S TUMOR, ON "WATSON," SUNDAY, APRIL 26

Robert Carlyle Returns as Sherlock Holmes

"Rule of Three" - 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, on WATSON, Sunday, April 26 (10:00-11:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+* (live and on-demand for Paramount+ Premium plan subscribers, or on-demand for Paramount+ Essential subscribers the day after the episode airs).

WRITTEN BY: Teresa Tuan

DIRECTED BY: Jennifer Lynch







WATSON (CBS)
BROADCAST HISTORY:
1/26/25 - ???
STATUS:
currently airing (spring 2026)
TIME SLOT:
sundays from 10:00 PM-11:00 PM EST
CURRENT SEASON:
2 (20 episodes)
VISIT THE OFFICIAL WEB SITE
ADDITIONAL NOTES:
confirmed as canceled on 3/27/26
DESCRIPTION:
(from CBS's web site, October 2025) WATSON is a medical show with a strong investigative spine, starring Morris Chestnut as Dr. John Watson, in a modern version of one of history’s greatest detectives as he turns his attention to solve medical mysteries. This team of “doc-tectives” are determined to investigate and treat the world’s most rare diseases for their clinic’s patients. Watson now faces an unexpected twist when Sherlock Holmes, who was presumed dead, resurfaces, forcing him to confront a buried secret from his past.
PRINCIPAL CAST INFORMATION:
· Eve Harlow
· Inga Schlingmann
· Morris Chestnut as John Watson
· Peter Mark Kendall as Stephens Croft/Adam Croft
· Ritchie Coster as Shinwell Johnson
· Rochelle Aytes as Mary Morstan
CREW INFORMATION:
· Aaron Kaplan as EP
· Arthur Conan Doyle as BOOK
· Brian Morewitz as EP
· Craig Sweeny as CRTR/EP
· Larry Teng as EP/DIR (Pilot)
· Morris Chestnut as EP
· Sallie Patrick as EP
· Shäron Moalem as EP
GENRE(S):
· drama
STUDIO INFORMATION:
· CBS Studios
· Kapital Entertainment