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Blue Planet III Series 1 Episodes

  1. Sunday 20:00
    BBC One

    Tropical Seas

    1/6 A look at how survival in the tropical seas takes surprising ingenuity.

  2. Monday 07:20
    BBC Two

    Tropical Seas

    1/6 A look at how survival in the tropical seas takes surprising ingenuity. (R)

  3. Sun 8 Nov 2026 16:15
    BBC One except Northern Ireland, Northern Ireland HD, Wales & Wales HD

    Tropical Seas

    1/6 A look at how survival in the tropical seas takes surprising ingenuity. (R)

  4. Sun 8 Nov 2026 20:00
    BBC One

    Open Ocean

    2/6 How extraordinary animals thrive against the odds in the vast open ocean.

  5. Mon 9 Nov 2026 06:40
    BBC Two

    Open Ocean

    2/6 How extraordinary animals thrive against the odds in the vast open ocean. (R)