How did the elephant get so big? What made the horse one of nature’s greatest athletes? How did the dolphin get its amazing brain? Join Chris Packham on an epic four billion year adventure travelling through time to uncover how life on earth evolved. His mission: to answer five questions about five iconic animals created by the unstoppable force of nature. 

The BAFTA-award-winning talk show­ is back with a new series featuring the biggest celebrities and the brightest conversation on television.