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Secrets of Bones Series 1 Episodes

  1. Tuesday 19:00
    BBC Four

    Size Matters

    1/6 Ben Garrod shows how bone can support animals that are both minuscule and massive. (R)

  2. Wednesday 00:30
    BBC Four

    Size Matters

    1/6 Ben Garrod shows how bone can support animals that are both minuscule and massive. (R)

  3. Wednesday 19:00
    BBC Four

    Down to Earth

    2/6 Ben Garrod discovers how the skeleton has adapted for vertebrates to move on land. (R)

  4. Next Thursday 01:10
    BBC Four

    Down to Earth

    2/6 Ben Garrod discovers how the skeleton has adapted for vertebrates to move on land. (R)

  5. Tue 13 Oct 2026 19:00
    BBC Four

    Into the Air

    3/6 Ben Garrod finds out how the skeleton has allowed vertebrates to take to the air. (R)

  6. Wed 14 Oct 2026 00:45
    BBC Four

    Into the Air

    3/6 Ben Garrod finds out how the skeleton has allowed vertebrates to take to the air. (R)

  7. Wed 14 Oct 2026 19:00
    BBC Four

    Sensing the World

    4/6 Ben delves into the ways in which bone has evolved to help vertebrates sense the world. (R)

  8. Thu 15 Oct 2026 00:35
    BBC Four

    Sensing the World

    4/6 Ben delves into the ways in which bone has evolved to help vertebrates sense the world. (R)

  9. Thu 15 Oct 2026 19:00
    BBC Four

    Food for Thought

    5/6 Ben uncovers the secrets of how vertebrates capture and devour their food. (R)

  10. Fri 16 Oct 2026 01:15
    BBC Four

    Food for Thought

    5/6 Ben uncovers the secrets of how vertebrates capture and devour their food. (R)