A circus owner and a lady trapper trek into the African jungle to capture a giant gorilla for his circus.

When bookseller Buzz cons Diana into thinking that his friend Stanley knows all there is to know about Africa, they are abducted and ordered to lead Diana and her henchmen to an African tribe in search of a fortune in jewels.

A rich but racist man is dying and hatches an elaborate scheme for transplanting his head onto another man's body. His health deteriorates rapidly, and doctors are forced to transplant his head onto the only available candidate: a black man from death row.

After a spectacular crash-landing on an uncharted planet, brash astronaut Leo Davidson finds himself trapped in a savage world where talking apes dominate the human race. Desperate to find a way home, Leo must evade the invincible gorilla army led by Ruthless General Thade.

Astronaut Taylor crash lands on a distant planet ruled by apes who use a primitive race of humans for experimentation and sport. Soon Taylor finds himself among the hunted, his life in the hands of a benevolent chimpanzee scientist.

Mike (Jean-Paul Belmondo) is a stuntman who works with his girlfriend Jane (Raquel Welch). On their wedding day Mike and Jane are forced by producers to do a stunt for a film they are working on. Mike, annoyed doesn't look on the road and crashes the car causing them to end up in a hospital. After they come out Jane doesn't want to talk to Mike so he decides to get her a job in a film in which he is a stunt double for his double who is a star in action pictures but is in fact a wimp.

When a treasure hunter seeks a downed airplane in the jungles of Africa, he encounters one of the passenger's young daughter, now fully grown, and with a gorilla protector.

In a prison for the criminally insane, deranged anthropologist Ethan Powell is set to be examined by a bright young psychiatrist, Theo Caulder. Driven by ambition and a hunger for the truth, Caulder will eventually risk everything—even put his very life on the line—in a harrowing attempt to understand the bizarre actions of this madman.

The owner of a plantation in the jungle marries a beautiful woman. Shortly afterward, he is plagued by a strange voodoo curse which transforms him into a gorilla. But is his transformation real or is it all in his head?

A ship carrying a touring circus troupe sinks at sea, and Lorraine, a young girl, is washed up on a deserted island. Her only companion is a gorilla from the circus, Bimi, who raises her as its own. Several years later Lorraine's wealthy grandfather, who has hired a psychic to help find her, is led by the psychic to Lorraine's island, and she and Bimi are taken back to "civiliation" in San Francisco, but things don't work out exactly as planned.

While visiting the circus with his family, Charlie is recruited by the big top's co-owner to investigate threatening letters that he's received.

A crazed scientist creates a nerve gas that turns the local teenagers into her unquestioning slaves.