In this funny as hell spoof of big-budget disaster films, a killer planetoid threatens Earth. To combat this threat, the government turns to vulcanologist Harold Bottoms. He assembles a crack team of disaster specialists and together with a NASA flight crew and a flatulent French astronaut Bidet, our heroes face numerous, preposterous complications, including the hazardous gas passed by Bidet and an angry space monkey who dwells on the planetoid.