- Clare Balding
- Richard van't Riet
Episode 3 of 6
Duration: 1 hour, 15 minutes
Six new contestants enter the competition, each intent on proving they are Britain's Brightest and landing £50,000. But standing between them and the prize are a series of nail-biting and unexpected challenges. Their tests include being locked in two identical rooms, racing to be the first to solve the puzzles inside and blow the door off. Hosted by Clare Balding.
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