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On each edition, three contestants were given five minutes to start with. The aim of the show was to keep as much time as possible over the course of four rounds. The contestant with the most time afterwards was declared the winner. They then went on to play the 'March Against Time' challenge to try to get onto the leaderboard which would allow them the chance to return to win a major prize at the end of the series.
- Series 1: 34 editions from 3 January 1995 – 20 February 1995
- Series 2: 37 editions from 4 December 1995 – 2 February 1996