All Satan needs to enslave the souls of all mankind is the Sacred Sword which is kept by Master William and his son Falcon. The Thunder Ninja Kids battle Satan and his ghouls, and with the help of Falcon's new master Samson, they avenge Master William's murder, vanquish Satan and save mankind.

One half of the movie follows a guy named Sam and his friend Gus. Sam gets scratched by a radioactive cat in a fight with some wacky drug addicts and achieves amazing super powers. He then puts on a stupid costume and decides to fight some bad guys using his new powers, including a crazed priest named Cheever. The other half of the movie is a about a whole bunch of Asian people that are just beating each other up for no reason, including a tall guy with an eyepatch and a woman that looks like a man. They have no real purpose in the movie, and seem to just be throw in.

Kickbox fighters face drug traffickers willing to control the opium trade in China.

Sam (Catman) and Gus are back to work in this movie. With Cheever dead, his old gang needs a new leader, so by having some random people beat each other up, they discover this big tall guy who only wears fatigues and seems to be strong so they make him the leader. Later on, some CIA agent finds out that some woman affiliated with the Cheever gang has a nuclear starter or something and will only give it up for a lot of money. Sam and Gus then go on a mission to get it back and save the world. Like the first in the "Catman" series, this movie also includes various scenes of Asian people beating each other up for no real reason. In this movie, the Asian guys actually speak of Cheever at one point (providing a minor link between the two plots), but that's really about it.

While in Hong Kong preparing for a big tournament, American kickboxing champion Sean becoms involved with undercover British nun Sophia and her battle against his evil crew of kickboxers

A steroid abusing kickboxer attempts to kick the drugs and ditch the sleazy guy running his kickboxing matches. Meanwhile criminal gangs fixing the kickboxing fights wipe out each other in a gang war. The son of one gang leader tries to go legit, while the cops try to take down crooked cops working with the gangs.

The Vietnam war and terrorists led by Torosky battle it out with South Vietnamese forces assisted by the American Army. For squad leader Merlin and PFC Bill, the war has become so meaningless that they don't care anymore. Seeing their friends die, they decide to desert and soon discover that there is no sanctuary in the jungle. It's only a matter of time before Torosky catches up with them.

With a large amount of money in the balance, a pair of ruthless gangs go to bloody extremes to gain an inheritance and the power that comes with it. Mastermind crime boss Tai Ho specialises in extorting money from those who have recently lost loved ones, through intimidation, blackmail, and murder. Private investigators Ray and Alison aren't much better, and find they can make an even greater fortune protecting Ho's victims. This results in a tangle of brutal betrayal and even more brutal death, both in the streets and in the bedroom...

A computer disk that prints counterfeit money has been stolen and is up for sale to the highest bidder. A crack team of detectives led by Ben, Carrie, and Kurt sets out to intercept the disk and use it as bait to force shady businessman and under-world godfather Gilman to show his hand.