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In a future where humans are infected by untested, microscopic robots, Generator Rex, an average teenager with the ability to turn his body into amazing machines, helps the secret organization Providence save the world from the nanite threat and dangerous EVO monsters.
Providence has changed during Rex's time jump. Black Knight is now in charge. Rex does not like the new direction Providence is taking.
Rex meets a teenage biker gang with bikes supercharged by nanites. But the nanites are poisoning the biker gang.
Ben Tennyson falls through a wormhole and encounters Rex. The two heroes must unite against a foe that can absorb their powers.
While visiting Noah at his new job, Rex can't resist checking on his favorite telenovela which is having production issues.
After Holiday fails to return from Egypt, the team searches for her. They soon find something has survived in the Pyramids. Black Knight makes a startling discovery.
Rex loses his goggles while fighting a plant Evo. His quest to recover the goggles distracts him from the plant Evo and its sprouts.
Rex asks for Bobo's help for a prank war with Noah.
White Knight and his team break into Providence to keep Providence from restarting the Nanite Project that caused the Event. Secrets are revealed, and White Knight tells the team what is at stake.
Providence tries to bring a civilian. Rex and Noah try to save him. The civilian's ability to disrupt Nantes forces hinders their task.
Rex and Circe go to Abysus to get a Metananite before Providence can obtain it.
Rex journeys to Hong Kong to help his friends, and learns that Providence has a new method for controlling Evos.
Van Kleiss ended up in the past and is being pursued. He struggles to find a way back to his own time.
Circe escapes Providence and is rescued by Rex. She joins them in their fight, but not all is as it seems.
Rex finds out that he has inherited a ranch. Rex and his friends must work the ranch to fight a claim by a squatter.
Jungle Cat returns to assist the team in their efforts to infiltrate Providence as the Consortium reunites for the first time since the Event.
Some of Rex's enemies escape from prison seeking revenge.
Rex provides security for a band that's having issues with an Evo fan.
Providence makes its move against Rex and company to get all the Metananites.
Rex must risk everything on his ultimate build in the final battle with the Consortium.
