Steve Backshall sits in a boat in Borneo.

Preview: Episode 5 – Borneo – Dark Shadow

Follow Steve Backshall as he drops down a sinkhole to explore a series of underground Bornean caves threatened by deforestation and limestone quarrying. The journey may lead to the potential to explore other undiscovered subterranean worlds.

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Greenland - Ice Mountain

Follow Steve Backshall as he tries to summit a remote and unclimbed mountain in Greenland's Stauning Alps. After facing quicksand, a river and a glacier to reach basecamp, the climb gives Steve a unique insight into a fast-changing environment.

  • 2020-08-10T04:00:00-07:00
    KCET-HD
  • 2020-08-10T04:00:00-07:00
    KCET-HD

Mexico - Maya Underworld

Return to Mexico, where Steve Backshall explores a honeycomb of subterranean Mexican caves that the ancient Maya believed were a portal to a terrifying underworld. In a dark and flooded cave, Steve finds incredible never-before-seen artifacts.

  • 2020-08-11T04:00:00-07:00
    KCET-HD

Suriname - Ghost River

Join Steve Backshall in a region of Suriname that's so remote, it could conceal undiscovered natural wonders. He and his team travel deep into the jungle to kayak an unnamed river. The journey results in a surprise beyond their wildest dreams.

  • 2020-08-12T04:00:00-07:00
    KCET-HD