Four balloonists and their dog are stranded on a remote island with a woman believed to be a descendant of Frankenstein, who is conducting experiments on lost sailors.

A scientist experimenting with past lives finds a reincarnated Aztec who can lead him to lost treasure—and to a creature that should remain lost. (Composed of footage from two unrelated Mexican horror films, LA CASA DEL TERROR and LA MOMIA AZTECA, plus new American-made footage.)

Two warlock brothers use their powers and covens of witches to battle over the family fortune.

A busty Batwoman enlists her beauteous bevy of Batgirls to help her regain a mad scientist's invention–an atom bomb made from a hearing aid–before costumed ne'er-do-well Rat Fink can glom onto it for his own purposes.

A scientist seeking loot of the Nile regresses a woman to her past incarnation, a princess in ancient Egypt. (Edited from the Mexican horror film LA MOMIA AZTECA, and follows its general plot but with 36 minutes of new, American-made footage and English narration in lieu of dubbed dialogue for the original footage.)

When chain gang prisoners attack their guards, some of the hardened criminals escape Brazil's infamous Anchieta Prison amidst all the pick-ax carnage. The government dispatches a machine-gun squad to round up the fugitives.