This is a list of episodes for the American animated series Generator Rex. The show first aired on April 25, 2010 and has ended airing. A total of sixty episodes were ordered. Twenty-one episodes have aired for the first season and nineteen have aired for the second. The show ended in its third season.
Rex, Noah and Bobo decide to have some fun by sneaking off to Cabo Luna for Spring Break. While at the beach, Rex meets and falls head-over-heels for an EVO girl named Circe, who is on an initiation mission in order to join Van Kleiss' group, the Pack.
Someone known simply as "The Architect" is attempting to build a tower that can communicate with nanites and order them what to do. Although Rex isn't sure that the true purpose of the tower is what it seems to be.
Noah drags Rex on a double date leading to a Junior Prom. The problem: the cute girl Noah hooked him up with is a total klutz, who has a reputation of sending her old dates to the hospital. To make matters worse, Rex has to keep an eye out for a dangerous EVO: a giant rabbit with a grudge.
Zag RS returns in its latest attempt to destroy all nanites. It invades a Providence satellite containing Dr. Holiday and others on board. When they shut it down to prevent Zag RS from escaping, the satellite begins falling towards Earth. It's up to Rex to prevent the satellite from burning up in the atmosphere and to stop Zag RS.
Following Van Kleiss' demise, Abysus has begun to fall apart, so Circe calls on Rex for help. However, what she and the Pack really want is for Rex to revive Van Kleiss, so that Abysus can return to normal, but Rex has no intention of bringing him back.
EVO locus that eat nothing but metal are destroying every village they come across, as they make their way towards China. It's up to Rex to stop them, but since all of his nanite weapons are made of metal, he'll have to come up with a different solution.
Rex and Noah make a bet on who can last the longest at Basic, a training ground for new Providence cadets. As they go through all the rigorous training, they begin to realize that being a Providence soldier isn't as easy as it seems.
A mysterious virus is causing everyone on the globe to fall into a deep sleep. And so Rex has been dispatched to find out what's causing the virus to spread. Later on, he teams up with White Knight in order to find the so-called Patient Zero.
While transporting unstable nanites, Rex, Noah and Bobo get separated from the Providence convoy. Meanwhile, Agent Six and the others in the convoy become the targets of a gang of anarchists seeking to steal the unstable nanites.
Van Kleiss decides to go after Rex in order to reclaim the nanites that were stolen from him. In doing so, he gains the ability to turn people into EVOs and proceeds with his plan to destroy Providence once and for all.
Providence Agent Kenwyn Jones and Rex are assigned an undercover mission to investigate an underground EVO party. However, their unique way of getting things done soon causes problems and must learn to work together.
Rex and Bobo are sent to fix a failing shield around the Bug Jar. Unfortunately, Van Kleiss and the Pack, along with Circe, arrive in order to forge an alliance with the inhabitants of the Bug Jar and their vengeful leader, NoFace.
While delivering Chinese food to Providence, Rex is attacked by Breach. She later tells Rex that Van Kleiss has a very important mission for her involving an old friend of Rex's. After she suddenly leaves through a portal to Hong Kong, Rex follows her, mistakenly thinking that Breach is after Circe. Rex eventually discovers that Breach is after his old boss: Quarry.
Doctor Holiday goes to disastrous lengths to get her younger sister, Beverly, cured by a mysterious man named Dr. Brandon Moses, who says that he has found a cure for incurable EVOs. However, there may be more to his "cure" than meets the eye.
While the rest of Providence is off-site for training exercises, Rex is grounded. Noah convinces him to have a party, but can only deliver four hoodlums for guests. When an EVO intruder is found inside the base, it's up to the six of them to stop it.
An effort to restore Rex's memories results in Six losing most of his. Now having reverted to his earlier, less-refined self, Rex has to help Six find his way back from heartless mercenary to the mentor he has come to know.
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.
Rex and Circe race to Abysus in the hopes of beating the Black Knight and Providence there and stop them from obtaining a second Meta Nanite that is said to be hidden deep within the lower levels of Abysus.