David Attenborough investigates the remarkable life and death of Jumbo the elephant - a celebrity animal superstar whose story is said to have inspired the movie Dumbo. Attenborough joins a team of scientists and conservationists to unravel the complex and mysterious story of this large African elephant - an elephant many believed to be the biggest in the world. With unique access to Jumbo's skeleton at the American Museum of Natural History, the team work together to separate myth from reality. How big was Jumbo really? How was he treated in captivity? And how did he die? Jumbo's bones may offer vital clues.