← The Last Unknown

Season 1

4 episodes · 2021

  1. 1The Aleutian Islands

    18 Mar 2021

    Ian Shive leads a risky expedition into a remote Alaskan wildlife refuge.

  2. 2Palmyra Atoll

    18 Mar 2021

    Ian explores one of Earth's most well-protected coral reef ecosystems.

  3. 3Rose Atoll

    18 Mar 2021

    Ian joins a team of scientists to unlock vital new info about coral reefs.

  4. 4The Channel Islandsfinale

    18 Mar 2021

    Ian explores one of America's least-known national parks.