28x04: Runaway Universe
28x03: Hitler's Lost Sub
28x02: Holocaust on Trial
28x01: Lincoln's Secret Weapon
27x21: The Vikings
27x20: Stationed in the Stars
27x19: What's Up with the Weather?
27x17: Lost Tribes of Israel
27x13: Trillion Dollar Bet
27x11: Diamond Deception
27x09: Lost on Everest
27x08: Tales from the Hive
27x07: Electric Heart
27x06: Voyage of Doom
27x05: Decoding Nazi Secrets
27x04: Island of the Spirits
27x03: The Killer's Trail