American Ninja 4: The Annihilation

A terrorist places an atom bomb somewhere in an American metropolis. The president of the U.S. has no other choice; he has to call Delta Force.

The deranged military and former CIA agent Dean Cage is in a rehab program, trying to forget the traumatic loss of his best friend Scott in Bosnia. When he dates with his girl-friend and Scott's sister, Detective Amy Knight, in a dinning restaurant, he is mistakenly taken as being the CIA agent that is investigating the robbery of the military experiment EX by a man called Sullivan. He is injected with the drug and abducted by the thieves. Amy has six hours to find the also stolen antidote and save Dean's life.

Scott James, a veteran martial arts expert, is recruited as the protector of the wealthy and beautiful Justine after she becomes the target of a ninja clan. When Scott finds out that his ruthless arch-nemesis, McCarn , is involved with the stealthy and dangerous criminals, he is eager to settle old scores. Soon Scott is facing off against McCarn and the entire ninja horde in an effort to take them all down.

A westerner named Casey, studying Ninjutsu in Japan, is asked by the Sensei to return to New York to protect the legendary Yoroi Bitsu, an armored chest that contains the weapons of the last Koga Ninja.

On a remote Caribbean island, Army Ranger Joe Armstrong saves an old friend from the clutches of "The Lion", an evil super-criminal who has kidnapped a local scientist and mass-produced an army of mutant Ninja warriors.

Jackson is back, and now he has a new partner, karate champion Sean, as they must face a deadly terrorist known as "The Cobra", who has infected Sean with a virus. Sean and Jackson have no choice but to fight the Cobra and his bands of ninjas.

When a scientists daughter is kidnapped, American Ninja, attempts to find her, but this time he teams up with a youngster he has trained in the ways of the ninja.

After a series of ninja attacks, a Turkish policeman who's an expert on ninjas is called for help.

The second movie Robert Tai made out of his original Ninja: The Final Duel footage. This one was used largely as the basis for Shaolin Dynamite.

Follow the infamous ninja bandit named Ishikawa Goemon (Yosuke Eguchi) in an epic story. One night while looting treasure from Nanban (Southern Barbarians), Goemon finds a mysterious box hidden inside a secret grave. A forgotten relic from the past containing untold powers.

A dishonorably discharged soldier seeks out his estranged father to help him pursue his dream of becoming a professional motorcycle racer. While training, he meets a small-town, aspiring singer and a motorcycle shop owner who begin to break down the walls his father's absence had built up.