S1, E6: Continuing his Himalayan journey, Michael ascends into Nepal and Tibet to reach Everest base camp itself, where he follows in the footsteps of his heroes, 1920s mountaineers Mallory and Irvine. He meets a Yak herder on the great Tibetan plateau, head-hunters in Nagaland, and explores the magical mountain kingdom of Bhutan before finally descends to sea level in Bangladesh.