Too many ads or having playback issues? Try switching to another server using the buttons below the player.
The largest predator on the planet, the sperm whale, is your host for an amazing exploration of the final frontier – the world at the bottom of the ocean. From the makers of the Walking With series comes this incredible marine tour, in which you'll witness a rarely seen world of hidden mountain ranges, majestic canyons, volcanoes and the beautiful and often deadly creatures that inhabit the deep sea.
Directed by David Allen
Bernard Hill
Narrator (voice)
Scott MacCallum
Submersible pilot
Making An Ancient Forest - Kalkalpen National Park
2015
4watch
