2.1 The Journey Begins... – 2 September 1980 2.2 Monsters of the Deep – 9 September 1980 2.3 Ancient Wisdom – 16 September 1980 2.4 The Missing Apeman – 23 September 1980 2.5 Giants for the Gods – 30 September 1980 2.6 Monsters of the Lakes – 7 October 1980 2.7 The Great Siberian Explosion – 14 October 1980 2.8 The Riddle of the Stones – 21 October 1980 2.9 Out of the Blue – 28 October 1980 2.10 U.F.O.s – 4 November 1980 2.11 Dragons, Dinosaurs and Giant Snakes – 11 November 1980 2.12 Strange Skies – 18 November 1980