Is Sherlock coming back for another season?
Not as of the latest listings. Sherlock is marked as ended after 4 seasons, running from July 25, 2010 to January 15, 2017. No revival or new season is scheduled. If one is announced and dated, this page turns into a live countdown automatically.
When was the final episode of Sherlock?
The series finale aired on January 15, 2017. It was Season 4, Episode 3, "The Final Problem". The full run is 12 episodes, roughly 18 hours.
About Sherlock
Sherlock Holmes and Dr. John Watson's adventures in 21st Century London. A thrilling, funny, fast-paced contemporary reimagining of the Arthur Conan Doyle classic.
Sherlock release FAQ
When is the next episode of Sherlock?
Sherlock has ended, so no new episodes are scheduled. The finale, "The Final Problem", aired on January 15, 2017.
What network is Sherlock on?
Sherlock aired on BBC One. Episodes run about 90 minutes each.
How many seasons of Sherlock are there?
4 seasons and 12 episodes so far, about 18 hours in total. See how long it takes to watch Sherlock.
More countdowns
Episode data from TVmaze, refreshed weekly (last update 2026-09-23). Runtimes are as listed per episode, so totals exclude recaps you skip and credits you don't.