Executive Summary The British television series Sherlock , created by Steven Moffat and Mark Gatiss and starring Benedict Cumberbatch and Martin Freeman, consists of 13 episodes in total. These episodes aired over four series (seasons) from 2010 to 2017. The episode count is notably low for a TV drama due to the series’ format of feature-length episodes (approximately 90 minutes each, equivalent to a TV movie). Breakdown by Series | Series | Year(s) Aired | Number of Episodes | Notable Episode Titles | |--------|--------------|--------------------|------------------------| | 1 | 2010 | 3 | "A Study in Pink," "The Blind Banker," "The Great Game" | | 2 | 2012 | 3 | "A Scandal in Belgravia," "The Hounds of Baskerville," "The Reichenbach Fall" | | 3 | 2014 | 3 | "The Empty Hearse," "The Sign of Three," "His Last Vow" | | Special| 2016 | 1 | "The Abominable Bride" (Victorian-era special) | | 4 | 2017 | 3 | "The Six Thatchers," "The Lying Detective," "The Final Problem" |