Clips from assorted television programs, B-movies, commercials, music performances, newsreels, bloopers, satirical short films and promotional and government films of the 1950s and 1960s are intercut together to tell a single story of various creatures and societal ills attacking American cities.

The greatest adventure of jungle king Tarzan. Four British villains raid a settlement to obtain explosives for use in a diamond mine. In doing so they nearly destroy the settlement, so Tarzan pursues them to their mine.

Tarzan leads five passengers from a downed airplane out of the jungle. En route white hunter Hawkins tries to sell them to the Oparian chief.

After the Banton family rob a store is a small village and kill the local police constable, Tarzan captures one of them, Coy Banton. He decides to return him to the authorities so that the dead policeman's family will benefit from the $5000 reward. The head of the clan, Abel Banton and his two sons have no intention of letting Tarzan deliver Coy and burn the river boat they were to use. Several of the passengers are now stranded forcing Tarzan to take them along on a trek through the jungle. Abel Banton trails them intent not only getting his son back but getting rid of Tarzan.

Secret Agent Bart Fargo chases the kidnappers of the inventor of a death ray.

Tarzan goes up against a baddie by the name of Schroeder, who is trapping animals and selling them illegally to zoos. A twist is thrown into the plot when Schroeder's brother, with the help of money-hungry trader Lapin, hunts a different kind of quarry, human game. Now Tarzan must not only fight to save the animals of the jungle, but he must also save himself. Three episodes of a failed TV series edited for theater release.

Dr. Sturdy is trying to establish a modern hospital in the jungle. His efforts are strongly opposed by Futa, the witch doctor, and Ramo, a native warrior.

Hunters trespass into Sukulu country, where animals are sacred, posing as photographers.

Twin brothers were raised by wolves, revolt against tyranny in pre-Roman Italy and then come to a parting of the ways as they lead their people toward the founding of a new city, the founders of Rome.