Kickboxing champion Matt Reeves witnesses the murder of his friend Johnny. While investigating the crime, he learns that a Mr. Negaal in South Africa has founded a new kickboxing association and does not leave international champions much of a chance. Johnny had to pay with his life when he did not want to join. Neegal seems to kill everybody who is in his way especially David Sloan from the previous Kickboxer films. Matt is on his own now, but suddenly finds an unexpected ally.

During WWII, Duke E. Gifford is second in command of the USS Thunderfish, a submarine which is firing off torpedoes that either explode too early or never explode at all. It's a dilemma that he'll eventually take up personally. Even more personal is his quest to win back his ex-wife, a nurse; but he'll have to win her back from a navy flier who also happens to be his commander's little brother.

A C-47 transport plane, named the Corsair, makes a forced landing in the frozen wastelands of Labrador, and the plane's pilot, Captain Dooley, must keep his men alive in deadly conditions while awaiting rescue.

Nicky Larson is tasked to recover the perfume of Cupid, a perfume that would make anyone who uses it irresistible.

The Rebels rule the streets of Gary, Indiana. They shoot storekeeper Marvin Bookman for giving the police information about a drive-by shooting they committed. Marvin’s son, former NFL star and Rebel founder John returns to be with his father and, with a little help from some friends, to destroy the gang his way.

Britt Reid, the heir to the largest newspaper fortune in Los Angeles, is a spoiled playboy who has been, thus far, happy to lead an aimless life. After his father dies, Britt meets Kato, a resourceful company employee. Realizing that they have the talent and resources to make something of their lives, Britt and Kato join forces as costumed crime-fighters to bring down the city's most-powerful criminal, Chudnofsky.

In downtown Kansas City, a bunch of drunk bums get strangled with a radioactive chain of mutation.

In a tributary of the Amazon, a monster – half-man, half-fish – is captured and placed in a reservoir in a Florida national park to be observed by scientists.

Disguised as executives from a Dutch Oil Company, Aliens from outer space buy a local farming company and promise to create jobs for the failing farming town. Their goal is to use crop circles to heat up the temperature of the earth and eventually turn the entire planet into a Club-Med for extra-terrestrials.

A Victorian scientist returns to London with his paleontological bag-of-bones discovery from Papua New Guinea. Unfortunately, when exposed to water, flesh returns to the bones, unleashing a malevolent entity on the scientist's family and friends.

Near the end of the 19th century, Prof. John Mayer and his assistant, the scientist Dr. Isabel Reed, accidentally invent a powerful ray. An alien travels to Earth to destroy the machine since it would be a threat to the universe. He initially possesses the mind of Thomas, a sex maniac and serial killer, to get close to Mayer during the demonstration of the machine to scientists and the military. Mayer's niece, Laura, meets an acquaintance of her uncle, the chemist Dr. Paul Rosten, and Mayer invites him to join the research. When Thomas gets close to Mayer, the alien also possesses his mind in order to destroy the device and his notes. Meanwhile, Thomas is not able to control his murderous impulses and attacks several women with a straight razor.

A social misfit, Willard is made fun of by his co-workers, and squeezed out of the company started by his deceased father by his boss. His only friends are a couple of rats he raised at home, Ben and Socrates. However, when one of them is killed at work, he goes on a rampage using his rats to attack those who have been tormenting him.