The Moment of Truth

This week, teachers from Exeter must memorise 120 Pokemon characters and a group of students from Plymouth have the mammoth task of identifying 100 different mobile phone rings.

An Essex family try to navigate a remote-controlled car around an obstacle course, while a woman is challenged to memorise Manchester United's results from last season.

A Hertfordshire family tackle a netball challenge and the Tilsons from Buckinghamshire aim to complete a lap at Silverstone in a Grand Prix simulator with no steering or braking aids.

A group of advertising executives attempt to play Cliff Richard's classic Summer Holiday on a homemade instrument, a family from Blackpool build a precarious tower out of 40 dice and a Wigan clan tackle a typing challenge.

Students attempt to memorise 100 mobile phone ring tones, while four brothers from Northem lreland must negotiate an obstacle course.

Female rowers, a family team and members of a surfing school — all from Comwall — attempt special tasks with a chance of winning £20,000 of top prizes.