Sharon Jackman (30), Sue Macey (24), Glyn Talbot (22), Andrew Williams (23), Charlie Baker (21), Sara Marks (30)

The fourth Episode. The Crystal Maze was one of the most daring and popular programmes produced by Channel 4. The maze cost £250,000 to build and was the size of two football pitches. The show was at the time the most watched on Channel 4, attracting up to 7 million viewers at its height and has been described as “a highly-ambitious, high-risk show that paid off handsomely.”