Providece is being rebuilt. Van Kleiss turns Noah into an Evo sending Noah on a rampage throughout the city. Rex chases after his friend while Van Kleiss is free to pursue his real objective.

Rex and Six attempt to retrieve nuclear material from a research sub. They encounter an underwater colony of Evos.

Knight sends Rex and Jones undercover to a party where the performer are all Evos to determine if there's any threat. Rex's friend, Skwydd, tells him some of the performers are getting threats.

With the dome about to fail, Rex and Bobo go to Kiev to repair the shield. Van Kleiss arrives to form an alliance with Noface.

Bobo is behaving responsibly. This alarms Rex. While others are more accepting of Bobo's change, Rex is determined to find out what happened to his friend. An Evo Bunny is captured, and will soon give birth.

Six, and some of his old associates, take Rex to a secluded island. Six hopes Rex can cure his mentor, while his former comrades have a different solution in mind.

In the middle of a battle, Rex suddenly produces new builds. As he's being examined, a mysterious stranger arrives who claims to be Rex's brother - Caesar. He claims to have sent the schematics for the builds.

Rex and Bobo head to Mexico where a local group is freeing Evos caught by Providence. Rex is poisoned and must recapture an Evo to find the cure.

A ghostly cat-like E.V.O. interrupts Rex and Noah's double-date with Claire and Annie at a haunted hotel.

A pair of Providence Academy washouts start an Evo Abatement business and convince Rex to work with them part time.

Rex attends Noah's High School to compete in a Table Tennis competition.

Trapped in cave, Rex and Van Kleiss form an uneasy alliance to find the source of a storm that's destroying nanites.

Rex and Caesar visit their Abuela in Mexico. Hunter Cain is back.

Breach is targeting the girls of Rex's life: Cricket and Circe! Or is she?

A researcher claims to have a cure for incurable Evos. Holiday leaves Providence in an effort to save her sister, but Six is suspicious of this miracle cure.

A news team is given a tour of Providence.

Rex is grounded at Providence. But that doesn't stop him from throwing a party. But an old enemy shows up.

While trying to recover Rex's memories, Six loses his memories, and reverts to his old personality, and his old life.

Van Kleiss attach's a device to Breach which makes her more dangerous. Rex attempts to get her to switch sides.

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.