Searxng/Watson CBS TV show tv TV CBS cancels *Watson* after two seasons, leaving storylines unresolved. The Sherlock Holmes drama ends amid network scheduling shifts and renewals. May 5, 2026 AceShowbiz - Watson, the CBS drama inspired by Sir Arthur Conan Doyle's Sherlock Holmes universe, ended after two seasons, leaving several storylines unresolved. The series finale aired on Sunday, May 3, 2026, concluding amid a broader wave of network cancellations and scheduling changes at CBS. The decision to cancel Watson came shortly after the network also pulled DMV following just one season.