Britain's Biggest Adventure with Bear GryllsEpisode 1
Action adventurer Bear Grylls explores Britain at its most extreme. In part one, he discovers how Snowdonia, Wales was first created and comes face to face with a new born seal.
Britain's Biggest Adventure with Bear Grylls was broadcast on ITV1 at Tuesday 15 September 2015, 21:00.
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- Playback time1:00:00
Britain's Biggest Adventure with Bear Grylls is a TV show on ITV1. The long-running popular program has been available since 2015. A total of 3 episodes have been broadcast, most recently in September 2015. Don't want to miss anything from Britain's Biggest Adventure with Bear Grylls anymore? Set an alarm so we can keep you posted on new episodes by email. For free!