The story has all the makings of a science-fiction blockbuster: in 1937, an intrepid archaeologist discovers hundreds of perfectly-engraved stones, surrounded by humanoid remains and carved maps of constellations. Later analysis reveals these stones are 12,000 years old, and tell the story of ancient aliens crash-landing on Earth. This is the tale of the 'Dropa Stones.' In tonight's episode, Ben and Noel ask: Is any part of this story true?