David Attenborough explains in his own inimitable way how animals from in and around the sea manage to make use of the constantly changing areas where land meets water.

Series Selector for Blue Planet

All episodes for series 1 of Blue Planet

  • S1 E6 · Coral Seas

    This programme focuses on the amazingly fragile ecosystems of the world's coral reefs.

  • S1 E7 · Tidal Seas

    How tides create opportunities for marine life, as dolphins play a deadly game of catch.

  • S1 E8 · Coasts

    How animals from in and around the sea make use of coastal areas.