S1, E4: Teetering between the apocalyptic and absurd, declassified records will unveil the top secret weapons programs that attempted to bring down the world, uncovering the Soviet atomic test that shook the Earth with a force 1,500 times more powerful than the Hiroshima bomb, the CIA's creation of a gun that fired a shellfish-harvested toxin, and the Allies' bizarre secret plan to end World War II by feminizing Hitler.