Ocean Giants Episode guide
3/3 Documentary taking a look at whales and dolphins, nature's supreme vocalists.
First broadcast: 28 Aug 2011
2/3 Documentary exploring how similar the minds of whales and dolphins are to our own.
First broadcast: 21 Aug 2011
1/3 Exploring the largest animals that have ever lived on our planet- the great whales.
First broadcast: 14 Aug 2011