Once upon a time, in the kingdom of Fortunia, a noble king and his lovely young queen lack but one blessing to make their joy complete. The queen gives birth to a daughter named Snow White, but dies soon after. The king mourns her, but in time, he remarries because of the pleading of his people. His new queen is a beautiful, but evil woman who soon becomes jealous of Snow White's beauty.

The fate of the planet in the hands of Larry, Moe and Curly Joe? That's exactly the situation the trio finds themselves in when they befriend a wacky scientist and must defend his secret invention from a pair of malevolent Martians. Sight gags, slapstick and plenty of nyuks abound as the Stooges bumble their way through an adventure of intergalactic proportions.