Sherlock is returning with a special one off episode, the BBC have confirmed.
Writing on the BBC One Twitter account, the corporation announced that Benedict Cumberbatch and Martin Freeman will return for the special.
"#221back # Sherlock # notkidding," the tweet read alongside a picture of the stars in costume complete with bowler hats.
Show creators Steven Moffat and Mark Gatiss are confirmed to have written the script.
The read through of the episode took place today, with the BBC also tweeting a picture of the script.
Sherlock isn’t set to return to television until next Christmas, for a Sherlock Christmas Special. The special is said to begin filming in January.
The Christmas Special will be followed by a fourth Sherlock series in 2016.