The Centurions visit Oceania Research Station to observe the testing of a new device, a powerful cryogenic ray. Unfortunately, the centre has already been infiltrated by Hacker and Amber. Despite the Centurions' best efforts, the ray is stolen by Doc Terror's forces. Terror ignites the radioactive belt surrounding the Earth causing the planet's temperature to rise at incredible rate. With the resulting firestorm threatening to engulf the entire planet, Only Doc Terror holds the key to preventing this solar apocalypse, but he will do so only when he is made unconditioned ruler of the Earth. The Centurions try desperate tactics to prevent terror's plans, Max even resorts to disguising himself as the world president in an attempt to find Terror's base, almost getting himself killed in the process. The heroes eventually find terror's headquarters but end up as prisoners of the villain, who destroys their wrist communicators, cutting them off from Crystal and Skyvault. The heroes aren't be

Doc Terror sends Mekko to attack Sea Lab, where the Centurions' weapon systems are created. Max and Ace fight against Terror's forces in South Africa while Jake is visiting Sea Lab and gets caught in the assault orchestrated by Mekko.

A comet is sending out artificial signals, and the Centurions are sent to check it out. When it turns out to be hollow, they beam inside. Within, it seem barren... at least at first. But then, as the comet's true nature is discovered, a new danger emerges from the shadows, a feline creature with the ability to drain anything power-generated, including the Centurions' weapon systems... The trio attempt to evade the beast by beaming to Skyvault, but the alien hitches a ride, and begins a chain of events which could end in Skyvault falling earthwards! Unless the Centurions can think of a way to cage this animal, it will sink its teeth into the best meal he's ever had: Earth's energy resources!

In pursuit of Doc Terror, Ace and Jake manage to force the criminal genius to crash land in the vast African jungle. There, Terror and Hacker stumble across an underground remnant of prehistoric earth, and he sets out to create an army of dinosaur cyborgs. However, Jake and Ace find the cave and attempt to prevent the villain from destroying the present with the past! But first they must contend with the lizard-like race who inhabit this inner world, and who have fallen under Terror's control...

A desert pipe-line convoy goes missing, and the Centurions are sent to track it down. Max is suspicious of General Amid, and checks out his office. He is soon attacked by Hacker, but escapes. Crystal, however fins out that the General is diverting all of the power from the geothermal pipe-line away, and she too goes missing in the desert, abducted by a giant cyborg worm. Crystal is taken prisoner by General Amid, and discovers that he is working with Doc Terror, transferring the energy from the geothermal plant to Dominion. The Centurions free Crystal, but have to find a way to defeat Terror's giant worm.