Blue Planet

S1 E5 ∙ Seasonal Seas ∙

David Attenborough vividly describes the history of our oceans. Seasonal changes in the richest waters on Earth drive an explosion of life, from seals to jellyfish.

Series Selector for Blue Planet

All episodes for series 1 of Blue Planet

  • S1 E1 · Introduction

    This travels to the very depths of the seas, to reveal a spectacular variety of life.

  • S1 E2 · The Deep

    David Attenborough looks at the strange creatures that live in the depths of the ocean.

  • S1 E3 · Open Ocean

    Looking at the hunting skills of whales, dolphins, tuna, shark and rapier-nosed billfish.

  • S1 E5 · Seasonal Seas

    Exploring the richest waters on earth, where the solar cycle drives an explosion of life.

  • 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.