Deep Ocean: Kingdom of the Coelacanth

David Attenborough looks into the ocean's depths to discuss the coelacanth, a primeval fish hidden for 400 million years. Its mysterious movements reveal vital clues about life's journey from sea to land, as well as secrets of evolution and survival.

• David AttenboroughSelf - Narrator (voice)
• Masamitsu IwataSelf
• Kerry SinkSelf