When an obsessed fan becomes angry at a rock band's changes, Rex becomes a security guard to protect them, unaware of his E.V.O. duplicating ability.
Rex is considering using a weapon of last defense in order to defeat the Consortium: building a robot with his powers. He is warned that this may cause him to lose his memory, and Rex must decide on whether or not to take this risky chance.
After the Consortium has gained all the Master Contril nanites, Rex must stop them before the damage is irreversible.
Jungle Cat, Rex and Six take on the Consortium to steal a Meta-Nanite and get revenge on Van Kleiss.
Rex is concerned when he discovers Circe is acting strangely after joining the team at the plant.
Rex and the team race to Abysus to stop Black Knight and Providence from completing their evil plan.
Rex and Noah must transport an annoying EVO and they discover it has the ability to neutralize Rex's powers.
Rex joins forces with White Knight in infiltrating New Providence to find out Black Knight's plans and EVO activities.
Rex wants to play a joke on Noah, but doesn't know how to do it and enlists Bobo to help him.
Ben Tennyson teams up with Rex to save the galaxy from the Nanite Alpha.
Rex finds a new hobby that raises causes for concern as he risks his life while competing in the dangerous world of underground motorcycle racing, where he discovers that the races aren't the only thing that could seriously jeopardize his future.
After being sent six months into the future, Rex must deal with new status quo at Providence.