Life on Earth

David Attenborough looks at the wide diversity of marine life, including fish that can fly, create electricity, survive in soda lakes and under polar ice caps, and even migrate across oceans and up waterfalls

Saturday, 18 July 1 airing
19:05
BBC Four
S1 E5 · Conquest of the Waters
Sunday, 19 July 1 airing
01:00
BBC Four
S1 E5 · Conquest of the Waters