Episode 01: The Golden Age of Pirates Episode 02: Impossible Ancient Inventions Episode 03: The Lost Episode 04: Alien Contagion Episode 05: Ancient Bible Relics Episode 06: Islands of the Damned Episode 07: Tales From Antarctica Episode 08: Robot Revolution Episode 09: Secret Societies Episode 10: Secrets of the Spies Episode 11: Secrets of the Civil War Episode 12: Mysterious Urban Legends Episode 13: Mad Scientists Episode 14: Strange Tales from the American Frontier Episode 15: Terrors of the Deep Episode 16: Unlocking the Sixth Sense Episode 17: The World's Deadliest Assassins Episode 18: Mysteries of the Underground