From the producers of Ancient Aliens and The Curse of Oak Island comes The UnXplained with William Shatner, a one-hour, non-fiction series that explores the world’s most fascinating, strange and inexplicable mysteries. S3 E1 The Hunt for Hidden Treasures S3 E2 Satanic Encounters S3 E3 The Search for the Ark of the Covenant S3 E4 Apocalypse When? S3 E5 Secrets of the Immortals ...