Steve Davis goes back to the Crucible Theatre in Sheffield to celebrate 40 years of the world snooker championship, talking to some of the players forever ingrained in the sport's history. The venue has become the home of snooker since the championships moved there in 1977, helping to create memorable moments and scenes of drama that live on to this day. Featuring interviews with former champions Stephen Hendry and Dennis Taylor, six-time runner-up and fans' favourite Jimmy White, and celebrity snooker addicts Richard Osman and Stephen Fry.