A series of blunders lead Doug to believe he has murdered his fiancé Betty. Now he has to avoid jail, lie to relatives about his engagement and escape alive from Betty's revenge.
The Robinsons, Earth's first family of outer space, head to colonize Alpha Centauri in their flying saucer, the Gemini 12, but crash land on an uncharted planet where they deal with its challenges and dangers.
A Greek Fisherman brings an Atlantean Princess back to her homeland which is the mythical city of Atlantis. He is enslaved for his trouble. The King is being manipulated by an evil sorcerer who is bent on using a natural resource of Atlantis to take over the world. The Atlanteans, or rather the slaves of Atlantis, are forced to mine a crystalline material which absorbs the suns rays. These crystals can then be used for warmth. The misuse of science has created weapons out of the crystals that can fire a heat ray to destroy whatever it touches.
