S1, E1: How ex-Monty Python comic Michael Palin became an accidental traveller when he accepted an offer to go around the world in 80 days, following the route of Phileas Fogg in the classic Jules Verne story. He looks back on the programmes and his diaries to reveal how the series was made and the impact it had. And fans and friends including Sir David Attenborough, Joanna Lumley and Simon Reeve reflect on his achievements. Little did he know the resulting series would become a huge hit, changing the face of TV travel programmes.