They start out in the USA, where they pit their wits against Kanzi, a bonobo ape who is able to communicate with humans using a series of pictures and symbols - and is also thought to be one of the first apes to show an understanding of spoken English. They also meet a chimpanzee memory wizard, a 25-year-old orang-utan that enjoys playing video games and that well-known genius of the ocean, the dolphin.

Anne Hegerty, Shaun Wallace and Mark Labbett set out to uncover the surprising cognitive abilities of children. Travelling across the UK, the trio take on child geniuses before delving deeper into IQ, emotional intelligence and creativity.

Travelling across Japan, Anne, Shaun and Mark come face-to-face with the future of intelligence, from a self-solving puzzle cube and facial recognition technology to cutting edge robots that are being used in a wide variety of industries.