Dr. X orchestrates the explosion of a plane to steal a nuclear warhead. With a nuclear battleship about to fall in Dr. X's hands, Action Man makes haste to recover the warhead, aided by his team and Dr. X's former lackey Ursula.

Dr. X captures the Fargo scientists to get hold of the regenerative Extract Herb to gain a fortune out of youth serum. Action Man liberates the scientists, but Dr. X has destroyed all their research.

Dr. X steals an experimental KGB cybernetic android. Action Man barely survives his encounter with the android, but uses this an advantage to beat Dr. X to his game at a robotics factory.

Natalie helps Action Man recall some of his past memories, but realise they had followed a false trail to Haven Mount village that Dr. X is holding captive to ensure the destruction of the Xtreme Station.

Dr. X has stolen a tunneling machine and kidnapped a team of miners for an excavation led by Natalie's uncle Ian, under blackmail from Dr. X.

Dr. X has taken a beaker of deadly Red Plague virus and kidnapped Dr. Pandemo who developed the cure. Action Man is lured to Dr. X's underground lab so Dr. X can steal the Jet Xtreme.

Dr. X has hijacked a stealth bomber. Dr. X takes the bomber's weapons to launch from the European Space Agency base.

Dr. X has a rogue moon launcher set to destroy Earth's cities. Can Action Man find the gun bunker in time to stop the launcher?

Dr. X's kidnaps the American ambassador to brainwash him in order to set up the Action Team. Action Man goes vigilante to root out Dr. X and clear the Action Team's name.

Dr. X has stolen an anti-gravity device to stage an alien attack on Earth. Professor Mackenzie who invented the device helps Action Man any way possible.

With his Catalyst Crystal plot thwarted, Dr. X sends a dog (which Jacque adopts under the name Raid) to attack Action Man.

Dr. X steals Jet Xtreme and kidnaps Secretary Norris and takes over the Action Space Station to start a major war around the world.

Dr. X and his infiltrator Domichi frame Secretary Norris of corruption and disband the Action Team.