UK TV · BBC One

Sherlock: all seasons, episodes and where it airs in the UK

Quick answer · UK

Sherlock is a UK drama and crime series on BBC One, which ran from 2010 to 2017, with 4 seasons and 12 episodes.

Sherlock has ended; its final episode aired on Sunday, January 15, 2017.

Sherlock seasons (4 seasons, 12 episodes)

SeasonEpisodesFirst airedLast aired
Season 13July 25, 2010August 8, 2010
Season 23January 1, 2012January 15, 2012
Season 33January 1, 2014January 12, 2014
Season 43January 1, 2017January 15, 2017

Original UK air dates on BBC One.

Common questions

How many seasons of Sherlock are there?

Sherlock has 4 seasons and 12 episodes, first airing on Sunday, July 25, 2010.

Has Sherlock ended?

Sherlock has ended; its final episode aired on Sunday, January 15, 2017.

What channel is Sherlock on in the UK?

Sherlock aired on BBC One. Past episodes are often available on the broadcaster's own catch-up app.

Who stars in Sherlock?

The main cast includes Benedict Cumberbatch, Martin Freeman.

Source: TVmaze (CC BY-SA), retrieved October 5, 2026.