In the BBC series Sherlock, what is the title of the first episode?

The first episode of the BBC series Sherlock is titled “A Study in Pink.”

Broadcast in 2010, the episode introduces Benedict Cumberbatch as Sherlock Holmes and Martin Freeman as Dr John Watson. It is a modern adaptation of ideas from Arthur Conan Doyle’s “A Study in Scarlet,” relocating the characters and investigation to contemporary London.

The episode follows a series of apparent suicides that Holmes connects through a distinctive clue. It also establishes the central relationship between Holmes and Watson, their meeting through Mike Stamford, and Holmes’s use of technology alongside observation and deduction.

The title deliberately echoes Doyle’s first Holmes story while replacing “Scarlet” with “Pink.” This is why “A Study in Scarlet,” although the literary source, is not the correct episode title for the BBC adaptation.