06/02/2011 - Channel 4 - 5:25pm-6:30pm
Season 18 - Episode 1 of 14
Reservoir Rituals - New series. Tony Robinson and the team embark on their 200th dig, examining the bed of a reservoir in a valley high up on Dartmoor in Devon. The specially-drained site presents difficulties with its abundance of thick mud, but the archeological experts uncover a network of monuments that suggests the existence of a major prehistoric site. Their efforts are further rewarded with the discovery of the first stone henge in Britain for a century