A pair of men try to perform the dangerous “triple” in their trapeze act. Problems arise when the duo is made into a trio following the addition of a sexy female performer.

Stodge City is in the grip of the Rumpo Kid and his gang. Mistaken identity again takes a hand as a “sanitary engineer” (plumber) by the name of Marshal P. Knutt is mistaken for a law marshal! Being the conscientious sort, Marshal tries to help the town get rid of Rumpo, and a showdown is inevitable. Marshal has two aids – revenge-seeking Annie Oakley and his sanitary expertise

Two Britons are captured and enslaved by invading Romans and taken to Rome. Hengist Pod creates useless inventions, while Horsa is a brave and cunning fighter. One of their first encounters in Rome leaves Hengist being mistaken for a fighter, and gets drafted into the Royal Guard to protect Cleopatra. Cleo doesn’t want him around and plots for his sudden demise…

Quatermass is the director of an important scientific base, where he builds nuclear rockets for the colonization of the Moon. A strange fall of meteorites in a nearby village leads to the discovery of a huge base under a strict military control, officially a factory of artificial food. Quatermass reveals that the factory is actually breeding alien creatures.