Right Here Rum Now: Former Van Halen rocker Sammy Hagar challenges Rick to turn an old fridge into a rum dispenser. Later, the shop gets to work on a broken slot machine. (S4, ep 10)
Viking Gods: Ancient alien experts investigate the mysterious and fearsome Norse Gods. Were they divine? Or could the all-powerful Vikings have been guided by aliens? (S5, ep 6)
Secrets Of The Pyramids: Experts explore the similarities between huge pyramids across the world. Could extraterrestrials have influenced their construction and design? (S4, ep 6)
Aliens And The Ancient Engineers: Experts investigate an ancient fortress in Peru said to have been built with laser tools. Could it prove that aliens once visited Earth? (S3, ep 6)
Alien Tech: Investigation into whether advanced technologies such as lasers and sonic weapons are merely rediscovered tools used by advanced beings in the past. (S2, ep 6)
Alien Evolution: A look at the accounts of modern-day alien abductees. Plus, could the bizarre Paracas skulls discovered by Julio Tello be of extraterrestrial origin? (S8, ep 5)
The Genius Factor: History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate. (S7, ep 5)
Aliens And Stargates: Experts investigate remote ruins, mysterious caves and legendary mountain portals. Could these alleged stargates have brought ancient aliens to Earth? (S6, ep 5)
Monoliths: A look at how ancient man could have built huge stone monoliths without advanced tools or technology. Could they have had extra-terrestrial help? (S5, ep 5)
The Nasa Connection: Experts open up NASA and secret government files. Can they find proof of alien contact in the recent or ancient past? (S4, ep 5)