A sailor being held prisoner onboard a submarine by the mysterious Captain Nemo escapes from captivity with the assistance of the captain's daughter.

Two astronomers working together, seek a tenth planet. The senior fears the junior might have found it and is jealous. They are also both interested in Norma, who works with them. When, in the course of a fight between the two men, the senior scientist falls dead - the question is was he killed by the other or not. Norma's brother, a police detective has to solve the case! Leslie Nielsen, Frank Albertson amd Horace MacMahon star.

Three astronauts arrive on Mars, sponsored by a mining company who will share the profits with them. Illness, paranoia and other problems develop until all three are dead - but what caused it?

A writer discovers to his horror that the events in his short stories are coming true.