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Documentary1 Season
TV14
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Watch Full Episodes of Underground Britain

Watch Free Episodes of Underground Britain

Stream our free episodes to see what it’s like to Peacock. Watch 6 full Episodes of Underground Britain for free.
  • Scotland
    Episode 145 mins
    In Scotland, Rob Bell discovers the gruesome secrets of an ancient cave.
  • London
    Episode 245 mins
    In London, Rob discovers a labyrinth of tunnels the general public is not meant to know about.
  • North of England
    Episode 345 mins
    Rob explores a mile of caves and one of Britain's deepest potholes.
  • Wales
    Episode 445 mins
    Rob Bell visits Europe's largest cave system underneath Brecon Beacon national park.
  • Central England
    Episode 544 mins
    Rob discovers a long-lost secret when he visits the ruins of Nottingham castle.
  • Southern England
    Episode 645 mins
    Rob explores a mystical cave system that altered Victorian Britain's view of human history.

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