Super Smart Animals - Episode Guide

Liz ends up getting creative with some dolphins and shares a eureka moment with some orangutans. She also competes with a chimp genius in a test of maths and memory. John Humphrys puts a goldfish through its paces on Mastermind.

Liz meets grey whales whose emotions are very similar to our own. She also fionds out how the Caribbean's cleverest monkeys outwit their human neighbours.