Station X is a British television documentary series detailing the story of how the Germany's Enigma code was broken. It was broadcast on Channel 4 in 1999. John Smithson was executive producer. It was accompanied by the "Channel 4 Books" publication Station X: The Codebreakers of Bletchley Park (1998), authored by Michael Smith which became a UK Number 1 bestseller. The first episode aired on Channel 4 on 19 January 1999. Tim Gardam, Channel 4's director of programmes, insisted that Station X be broadcast at the peak viewing time.