While traveling across a barren landscape, caveman Yor (Reb Brown) arrives at a village in time to save the people from a dinosaur attack. During a feast held in his honor, Yor manages to rescue beautiful Ka-Laa (Corinne Clery) and her guardian, Pag (Alan Collins), from a raid by a hostile neighboring tribe. After being told about another woman who wears the same mysterious medallion he has always had, Yor and his new companions set out to find her and learn about his destiny.

In the 21st century, aliens invade the solar system. Using Mars as their base, they steal all of Earth's space stations then brainwash or kill the crews.

A woman is tormented with guilt after her boyfriend dies while competing in a race. However, the arrival of a new competitor soon leads to a new relationship.

Straitlaced senatorial hopeful David Stratton (John Forsythe) has no idea what he's in for when he arrives home from a trip to find sexy teen Jody (Ann-Margret) curled up asleep in his daughter's bed. Soon, delinquent Jody is holding David -- and his plush suburban home -- hostage while she hides out from the cops and throws wild parties with her beatnik pals. David, terrified of scandal, agrees to drive Jody and her friends to Mexico, a decision he regrets when the ride gets out of control.

With its history of murder and suicide, the affluent Hammond family is seemingly cursed. When deaths on the British clan's estate draw the involvement of Scotland Yard, investigator Bob Curtis (James Ellison) arrives to look into the mysterious matter. Oliver Hammond (John Howard) and his sister, Helga (Heather Angel), are among the relatives who must contend their family's dark secret, which involves the legend of a werewolf. Can the macabre legacy of the Hammonds be stopped?

Hiram Stokely (Boris Karloff), a recently deceased man, discovers that he has only one day to enact a good deed in order to avoid eternal damnation. Hiram's scheming lawyer, Reginald Ripper (Basil Rathbone), is determined to get his fortune, and is willing to bump off potential heirs such as Chuck Phillips (Tommy Kirk) and Lili Morton (Deborah Walley) to achieve his goal. As Chuck, Lili and others have a lively pool party, Hiram recruits the ghost of his dead lover to help set things straight.

Marilyn Fryser, a land developer, takes a few clients to see an estate with the intention of duping them. However, her plan is interrupted by a colony of giant ants who feed on human blood.