The impact of Sherlock on television cannot be overstated.

Here’s a complete episode guide for the BBC series (2010–2017), created by Steven Moffat and Mark Gatiss. The guide includes series (seasons), episode titles, original air dates, and brief summaries.

The first series established the blueprint and remains, for many critics, the tightest and most consistent run of the show.

"Then, the chaos," Sherlock continued, finally sitting up. This represents the . It wasn't just one mystery; it was a countdown. A series of puzzles designed to test speed and morality. It proved that a case isn't just about the 'who' or the 'how,' but the 'why' behind the person pulling the strings. It turned the series from a hobby into a war. The Heart: The Sign of Three