A airline pilot is nearly hit by a flying saucer and must bank suddenly to avoid it. The passengers where mostly asleep, and the one who was awake says that he saw nothing...because he's really a Martian tourist and the saucer came to pick him up.
Stone men rise out of the ground and set off a panic. A geologist realizes that the creatures are just explorers and will return underground on their own.
A criminal sneaks aboard an experimental nuclear missile planning to hijack it and sell it to the Soviets, but after the rocket launches he discovers that it lacks internal control.