When an Alex lookalike perpetrates various thefts and hijackings, InterCEPT Agent Diana Zervas demands his arrest. Alex must go undercover to clear his name and stop the imposter.
Alex and the team help Brandon return to Dr. X's lab - which is now at the bottom of the Atlantic Ocean - to help find a cure for his "upgrade". Once inside, Alex and Brandon discover Dr. X's evil plan to download a computerised version of Dr. X's brain into Brandon's new pumped up body! Will Dr. X succeed?
The world's leading toxin specialist, Professor Moran, is kidnapped by a villain named No-Face while in disguise as Action Man in order to frame him for the kidnapping and to get Moran to make him a mind control gas.