Michael Palin returns to BBC Two to reflect on his landmark travel series, in a new four-part documentaryThe series will see Michael take the viewer back in time to encounter the places he visited - extraordinary countries and moments from Around The World In 80 Days, Pole To Pole, Full Circle and Sahara, allowing us to experience them as he did, and hear for the first-time his untold personal stories.Viewers are invited to reflect upon global change and how travel has evolved over time, with additional insight from other famous fans, colleagues and television travellers who have admired his work. Michael will reveal just how challenging the journeys were - both personally and professionally - and how he became one of the most influential TV travellers of our time, discovering that his thirst for adventure was shared by millions of viewers.