A man named Farmer sets out to rescue his kidnapped wife and avenge the death of his son, two acts committed by the Krugs, a race of animal-warriors who are controlled by the evil Gallian.

A Jewish commando unit hunting Nazi war criminals tracks down the infamous Dr. Josef Mengele in the jungle, and find that he is torturing nubile young virgins and performing horrible medical experiments on the locals. They prepare to battle their way past Mengele's hordes of fanatic Nazi bodyguards in order to get to him.

A mutated snake escapes from a laboratory and terrorizes the residents of a small California brewery town.

A priest secretly leads rebels in their struggle against the corrupt military dictatorship of the Central American country of Puerto Santo.

Legend says that the sacred crystal is the source for all life and was created at the beginning of time. Kyla has sought the crystal to use its powers for himself and he takes the crystal after smashing the defenders on the Planet Sintaria. But there is another identical crystal on Earth and Ladera heads there to get it before the evil Kyla. She finds that Jed has taken the crystal from is hiding place, but Victor and his inexhaustible hit men want it for money they gave to Jed. Ladera easily handles the weak earthlings and saves Jed, but Kyla is also after the crystal. Jed and Ladera must find the crystal before Kyla, the clueless cops or the dimwitted villains.

After a military plane crash near a small American town, a giant man-eating snake sets off on a killing spree. The locals must find a way to eliminate the snake, with the help of a scientist who knows about the snake and terminates it.