Steven Moffat (born 18 November 1961) is a Scottish television writer and producer, who co-created the BBC series Sherlock along with Mark Gatiss. He has also written four episode of the series, as well as the 2013 mini-episode and the unaired pilot episode.
He has written the Sherlock episodes:
- A Study in Pink
- A Scandal in Belgravia
- Many Happy Returns (co-written with Mark Gatiss)
- The Sign of Three (co-written with Gatiss and Stephen Thompson)
- His Last Vow