• Skip to content
  • Accessibility Help
  • A-Z
  • TV Guide
Sign in

Useful Links

U Presents

  • Help
  • Activate Your TV
  • Terms & Conditions(Opens in a new browser tab)

Information

  • Privacy Policy(Opens in a new browser tab)
  • Cookie Policy
  • Manage Cookies

Our values

  • Sustainability
  • Accessibilty
  • Modern slavery(Opens in a new browser tab)

Corporate

  • UKTV Corporate(Opens in a new browser tab)
  • UKTV Careers(Opens in a new browser tab)
  • Ways to Watch

Copyright © 2026 UKTV Media Limited

Social Media Links

  • U on Facebook (Opens in a new browser tab)
  • U on Instagram (Opens in a new browser tab)
  • U on Youtube (Opens in a new browser tab)
  • U on X (Opens in a new browser tab)
  • U on TikTok (Opens in a new browser tab)

Secret Life Underground

  • Category: Natural History

Series that examines the life that lives deep beneath our feet.

Secret Life Underground is not currently available on demand.

  • Wild Colombia with Nigel Marven

    Description: Nigel journeys through Colombia visiting major wildlife habitats from Andes to Amazon.; Category: Natural History; 4 episodes available.

  • Wild Brazil

    Description: An intimate portrait of animals raising families in a spectacular yet perilous country.; Category: Natural History; 3 episodes available.

  • Operation Grand Canyon with Dan Snow

    Description: Dan Snow is taking on a massive historical challenge, to run the Grand Canyon.; Category: Factual Entertainment; 2 episodes available.

  • Bill Bailey's Jungle Hero

    Description: Bill meets wildlife in Borneo and Indonesia to tell the story of Darwin's rival Wallace.; Category: Natural History; 2 episodes available.

  • Expedition with Steve Backshall Unseen

    Description: Behind the scenes footage and interviews with Steve Backshall and the Expedition team.; Category: Factual Entertainment; 25 episodes available.

  • Attenborough's Natural Curiosities

    Description: Documentary series in which the eminent naturalist explores unusual evolutionary quirks.; Category: Natural History; 27 episodes available.

  • Gorillas Revisited with David Attenborough

    Description: David Attenborough recounts his personal experiences with the mountain gorillas of Rwanda.; Category: Natural History; 1 episode available.

  • Wild China

    Description: Documentary exposing the wonderful creatures that live in China's beautiful landscapes; Category: Natural History; 2 episodes available.

  • Planet Earth

    Description: An exploration of the wild and beautiful parts of our planet.; Category: Natural History; 6 episodes available.

  • In Search Of The Snow Gods

    Description: A team of scientists scale the heights on one of Africa's few snow-topped mountain ranges.; Category: Natural History; 1 episode available.

  • Blue Planet

    Description: David Attenborough narrates a natural history of the oceans.; Category: Natural History; 2 episodes available.

  • Explore

    Description: Simon Reeve leads a team of reporters researching the hidden side of tourist locations.; Category: Natural History; 4 episodes available.