The opening logo.

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.[1] Twenty-one episodes have aired for the first season and nineteen have aired for the second. The show ended in its third season.[1]

Season one

Image Title Original air date Episode # Overall episode # Directed by Written by
The Day That Everything Changed
"The Day That Everything Changed" April 23, 2010 1 1 Sam Montes Man of Action
Rex sneaks out to blow off steam with Noah, but the pair soon encounter trouble.
Rex You Need to Fight This
"String Theory" April 30, 2010 2 2 Rick Morales Man of Action
In order to take down a new EVO, Rex and White Knight go to extreme measures.
Beyond the Sea
"Beyond the Sea" May 7, 2010 3 3 Chris Graham Man of Action
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.
Spider EVO
"Lockdown" May 14, 2010 4 4 Sam Montes Scott Sonneborn
The entire city is put on lockdown following the escape of a dangerous EVO from the zoo. However, Rex and Noah end up being trapped along with it.
"The Architect" May 21, 2010 5 5 Rick Morales Amy Wolfram
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.
Generator Rex Frostbite
"Frostbite" May 28, 2010 6 6 Chris Graham Marty Isenberg
Rex faces off against the Pack at a Providence base in the Arctic, while facing a possible nanite overload.
Leader of the Pack
"Leader of the Pack" June 7, 2010 7 7 Sam Montes Alexx Van Dyne
Rex faces off against the Pack, but it seems that Circe is covering for Van Kleiss while her boss is planning something sinister.
"Breach" June 11, 2010 8 8 Chris Graham Adam Beechen
Rex gets trapped in one of Breach's pocket dimensions, where he wakes up to wild EVOs in a strange boarding school.
Dark Passage
"Dark Passage" June 18, 2010 9 9 Sam Montes Marsha Griffin
Rex may finally be able to get answers about his past when one of the original scientists from the Nanite Project resurfaces in the Amazon.
The Forgotten
"The Forgotten" September 17, 2010 10 10 Rick Morales Paul Giacoppo
Rex and Six try to retrieve an info-rich disk that's stashed inside an EVO-plagued city known as the Bug Jar.
"Operation: Wingman" September 24, 2010 11 11 Chris Graham Eugene Son
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.
"Rabble" October 1, 2010 12 12 Sam Montes Rob Hoegee
When investigating crimes in Hong Kong, Rex bumps into old friends of his from the past. Except they're the ones committing the crimes.
The Hunter
"The Hunter" October 8, 2010 13 13 Rick Morales Michael Ryan
Rex is targeted by an EVO hunter named Hunter Cain, who leads the public to believe that Providence is ineffective and dangerous.
"Gravity" October 15, 2010 14 14 Rick Morales Andrew Robinson
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.
What Lies Beneath
"What Lies Beneath" October 22, 2010 15 15 Chris Graham Marsha Griffin
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.
The Swarm
"The Swarm" October 29, 2010 16 16 Sam Montes Paul Giacoppo
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.
Providence Basic Training
"Basic" November 5, 2010 17 17 Rick Morales Scott Sonneborn
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.
"Plague" November 12, 2010 18 18 Chris Graham Tad Stones
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.
Promises, Promises
"Promises, Promises" November 19, 2010 19 19 Sam Montes Man of Action
While celebrating Rex's anniversary at Providence, the history of how Rex joined Providence is revealed.
"Badlands" December 3, 2010 20 20 Rick Morales Eugene Son
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.
"Payback" December 10, 2010 21 21 Rick Morales Rob Hoegee
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.

Season two

Image Title Original air date Episode # Overall episode # Directed by Written by
"Rampage" February 4, 2011 1 22 Rick Morales Rob Hoegee
Rex and the gang are dispatched to deal with a commotion going on at the port. After Van Kleiss turns Noah into an EVO, Rex must cure him before time runs out and before Van Kleiss gets to him first.
Waste Land
"Waste Land" February 11, 2011 2 23 Chris Graham Tad Stones
On a mission to recover a set of nuclear reactor cores from a research ship, Rex and Six encounter an advanced civilization of marine EVOs.
Lost Weekend
"Lost Weekend" February 18, 2011 3 24 Seung-Hyun Oh Scott Sonneborn
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.
"Alliance" March 4, 2011 4 25 Chris Graham Paul Giacoppo
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.
Robo Bobo
"Robo Bobo" March 11, 2011 5 26 Seung-Hyun Oh Man of Action
Rex discovers that Bobo has replaced himself with a robot duplicate.
Divide by Six
"Divide By Six" March 18, 2011 6 27 Rick Morales David Slack
Six asks for Rex's help to cure his old mentor, who's become an EVO.
Mixed Signals
"Mixed Signals" March 25, 2011 7 28 Chris Graha Alexx Van Dyne
Rex is kidnapped from Providence by a man who claims to be his older brother.
Generator Rex Outpost
"Outpost" April 1, 2011 8 29 Seung-Hyun Oh James Felder
Rex is sent to South America to stop "The Green Fist", a group who have been stealing EVOs from Providence.
"Haunted" April 8, 2011 9 30 Rick Morales Tad Stones
A ghostly cat-like EVO interrupts Rex and Noah's double-date with Claire and Annie at a haunted hotel.
"Moonlighting" April 15, 2011 10 31 Chris Graham Scott Sonneborn
Rombauer and Lansky, two Providence training washouts, form their own amateur EVO hunting business. Rex, dissatisfied with his work at Providence, decides to do some moonlighting with them.
Generator Rex Without A Paddle
"Without a Paddle" April 22, 2011 11 32 Seung-Hyun Oh Ken Pontac
Noah convinces Rex to attend his school, so he can participate in an upcoming ping-pong tournament.
Written In Sand
"Written in Sand" April 29, 2011 12 33 Chris Graham Man of Action
While investigating a nanite-free sandstorm, both Rex and Van Kleiss become trapped underground, with their nanites slowly being destroyed. The two enemies must work together in order to survive.
Night Falls Image
"Night Falls" September 16, 2011 13 34 Rick Morales Amy Wolfram
Caesar takes Rex to visit a family friend back in Mexico where they are met with cold suspicion and a dark secret.
The Gang in Hong Kong
"Hard Target" September 23, 2011 14 35 Seung-Hyun Oh Paul Giacoppo
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.
A Family Holiday Rebecca Beverly
"A Family Holiday" September 30, 2011 15 36 Rick Morales, John Fang Man of Action
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.
"Exposed" October 7, 2011 16 37 Chris Graham Charlotte Fullerton
A news crew is given an all-access pass to Providence, and Rex goes a little too far in an effort to get more camera time.
Generator Rex Grounded
"Grounded" October 14, 2011 17 38 Seung-Hyun Oh James Felder
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.
Six-six minus six 4
"Six Minus Six" October 21, 2011 18 39 Chris Graham Alexx Van Dyne
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.
Lions and Lambs
"Lions and Lambs" November 4, 2011 19 40 Seung-Hyun Oh Rob Hoegee
Van Kleiss has found a way to enhance Breach's powers so she can now open portals in time. To stop this dangerous threat, Rex must attempt to lure her over to the good side.

Season three

Image Title Original air date Episode # Overall episode # Directed by Written by
Back in Black
"Back in Black" November 11, 2011 1 41 Seung-Hyun Oh Paul Giacoppo
Rex visits the future, after being gone for six months in which the Black Knight is the head of Providence.
Crash and Burn
"Crash and Burn" November 18, 2011 2 42 Chris Graham Eugene Son
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.
Phantom of the Soap Opera
"Phantom of the Soap Opera" December 9, 2011 3 43 Kenji Ono Scott Sonneborn
Noah lands a job at the TV studio where Rex's favorite show is filmed.
Riddle of the Sphinx
"Riddle of the Sphinx" December 16, 2011 4 44 Seugh-Hyun Oh James Felder
The gang goes to Egypt, where strange EVO activity surfaces.
Double Vision
"Double Vision" December 30, 2011 5 45 Chris Graham Ken Pontac
Rex goes to great lengths to recover his goggles after he loses them in a fight.
Guy vs Guy
"Guy vs. Guy" January 6, 2012 6 46 Seung-Hyun Oh Jake Black
Rex plans a prank on Noah and ropes Bobo into his scheming.
The Team - Black and White
"Black and White" January 13, 2012 7 47 Chris Graham Man Of Action
Rex and the group infiltrate New Providence. To their dismay, they find out enough evidence to realize that Black Knight is trying to resume the Nanite Project.
"Deadzone" January 20, 2012 8 48 Kenji Ono Scott Sonneborn
Rex and Noah transport an EVO who has the ability to interfere with Rex's powers.
Assault on Abysus
"Assault on Abysus" January 27, 2012 9 49 Seung-Hyun Oh James Felder
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.
Heroes United Opening
"Heroes United" November 25, 2011 10-11 50-51 Chris Graham & Kenji Ono Man of Action
After arriving in Rex's world, Ben Tennyson (Ben 10) has no other choice than to team up with Providence's secret weapon - Rex Salazar - in order to defeat a new, very dangerous threat.
Remote Control Skwydd Cricket
"Remote Control" February 3, 2012 12 52 Ken Pontac & Seung-Hyun Oh John Fang
Rex discovers that Quarry is using Providence's collars to turn his old friends, Tuck, Skwydd, and Cricket, against him again.
A Brief History of Time Van Kleiss
"A Brief History of Time" February 10, 2012 13 53 Chris Graham Paul Giacoppo
Follow Van Kleiss on his millenia-spanning journey back to the present, but something is after him!
Mind Games
"Mind Games" January 1, 2013 14 54 Kenji Ono Jonathan Callan
Circe joins Rex and the others at the Plant, but she's acting very strange.
"Hermanos" March 2, 2013 15 55 John Fang Scott Sonneborn
Rex learns that he's inherited a farm in South America, and brings Noah, Claire, and Annie along to check it out.
316 Target- Consortium
"Target: Consortium" December 27, 2012 16 56 Chris Graham Alexx Van Dyne
Jungle Cat returns and helps Rex and Six attempt to take out the Consortium.
Enemies Mine
"Enemies Mine" February 9, 2013 17 57 Kenji Ono Eugene Son
Hunter Cain, NoFace, Gatlocke, and Valve form an alliance to put an end to Rex.
Rock My World
"Rock My World" December 26, 2012 18 58 Kenji Ono Alexx Van Dyne
Rex becomes a security guard of a music band called the Trendbenders. He has to protect them from an obsessed fan who was angry at the change in the band.
Endgame Part 1
"Endgame, Part 1" January 2, 2013 19 59 John Fang Rob Hoegee
The Consortium has obtained the Master Control nanites! Can Rex stop them from wreaking havoc?
Endgame, Part 2
"Endgame, Part 2" January 3, 2013 20 60 Chris Graham Rob Hoegee
Rex must risk losing his memory and resort to his last line of defense to defeat the Consortium. But will it be enough?


  1. 1.0 1.1 Kevin Manthei (2011-05-11). "Season 3". Kevin Manthei Music. Retrieved 2011-10-21