High Quality Content by WIKIPEDIA articles! The Crystal Maze is a British game show, produced by Chatsworth Television and shown on Channel 4 in the United Kingdom between 15 February 1990 and 10 August 1995. There was one series per year, with the first four series presented by Richard O`Brien and the final two by Ed Tudor-Pole, who made his debut in the 1993 Christmas special. Each show was one hour long, including adverts.