Season 0 of Sherlock premiered on 30 august 2010.

Season 1 of Sherlock premiered on 25 july 2010.

When a chance encounter brings soldier John Watson into Sherlock's life, it's apparent the two men couldn't be more different, but Sherlock's intellect coupled with John's pragmatism soon forges an unbreakable alliance as they investigate a series of baffling cases together.

Season 2 of Sherlock premiered on 1 januar 2012.

A Royal scandal, a dazzling game of cat and mouse. The seductive Irene Adler is cold, calculating, brilliant. Has Sherlock finally met his match?

Season 3 of Sherlock premiered on 1 januar 2014.

Sherlock is back, but will things ever be the same again?

Season 4 of Sherlock premiered on 1 januar 2017.

The fourth series begins with the nation’s favourite detective, the mercurial Sherlock Holmes, back once more on British soil, as Doctor Watson and his wife, Mary, prepare for their biggest ever challenge - becoming parents for the first time.