Reviews 12 Monkeys Season 4 Episode 6 Review: Die Glocke. With a madcap adventure to obtain the weapon, 12 Monkeys lets down its hair for a moment in a surprising ending to Night 2.

There's a conspiracy that says Hitler and the Nazis had a secret anti-gravity UFO—and the U.S. stole it. However, the legend of “Die Glocke" is a hoax.