2/2. Liz Bonnin embarks on a worldwide search for the planet's most intelligent animals. Featuring grey whales with emotions much like our own and eye-poking capuchin armies. Also in HD. [S]
1/2. From skateboarding dogs to chimp maths geniuses, Liz Bonnin searches for the planet's most intelligent animals, and John Humphrys puts a goldfish through its paces on Mastermind. Also in HD. [S]
2/2. Liz Bonnin embarks on a worldwide search for the planet's most intelligent animals. Featuring grey whales with emotions much like our own and eye-poking capuchin armies. Also in HD. [S]
1/2. From skateboarding dogs to chimp maths geniuses, Liz Bonnin searches for the planet's most intelligent animals, and John Humphrys puts a goldfish through its paces on Mastermind. Also in HD. [S]