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Season 2, Episode 4
Air date March 4, 2011
Written by Paul Giacoppo
Directed by Chris Graham
Episode guide
"Lost Weekend"
"Robo Bobo"
Images | Quotes | Transcript

"Alliance" is the fourth episode of season two of Generator Rex and the 25th of the overall series. It debuted on March 4, 2011.


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.


204-Rex spots Van Kleiss

Rex spots Van Kleiss in the sewers of the Bug Jar.

Rex and Bobo are in the Bug Jar repairing the malfunctioning shield regulator; without it, everything trapped in the Bug Jar will escape. However, Rex soon discovers more pressing matters. Van Kleiss and The Pack (including Circe) are in the destroyed city trying to forge an alliance with NoFace in order to use his EVO army to conquer the planet.

In the meantime, Rex is talking to Circe, who reveals that despite Van Kleiss having Rex's nanites at his disposal, Van Kleiss is still after Rex, apparently trying to figure out how he regained his original powers as well as his new powers. Circe is able to use the opportunity to capture Rex who, much to her shock, becomes a gift to NoFace to sweeten the deal.

Van Kleiss reveals to Circe that while he does need Rex alive, he is only interested in his body, not his mind. Rex is able to use the opportunity to drive a wedge between Van Kleiss and NoFace. NoFace wants to kill Rex, whereas Van Kleiss still needs him alive, and thus a fight breaks out between the Pack and NoFace's legions. Rex is able to use the opportunity to escape, but a new problem has arisen: the force field has failed and the EVOs are already escaping.

Circe, finally seeing Van Kleiss for what he is, uses her sonic scream like a beacon to recall the EVOs that are escaping the Bug Jar. Instead of restarting the generator, Rex decides to try and save his friends. Just when they are about to be overwhelmed, Biowulf unexpectedly appears and saves them by decimating the horde of EVOs. Biowulf tells Rex to get the generator online, which he does.

204-Circe seperates

Circe runs away in a Providence stealth cycle.

While making his escape with Bobo and Circe, Rex asks Biowulf if he is coming, to which Biowulf responds that he was never there. Afterward, Circe and Rex escape. Circe agrees that Van Kleiss makes for a poor choice of employer, but she is not going to work for Providence. Rex mentions that "Hong Kong is nice this time of year", subtly suggesting that she go and join his old friends in Hong Kong, China.


Voice Actor Role(s)
Daryl Sabara Rex Salazar
John DiMaggio Bobo Haha
Tara Sands Circe
Grey DeLisle Rebecca Holiday
Troy Baker Van Kleiss
Fred Tatasciore NoFace
Non-speaking role(s)


  • This episode marks Circe's first appearance in the second season and her fourth one in the overall series.
  • This is the second appearance of the Bug Jar and its faceless, vengeful leader, NoFace, since episode ten, "The Forgotten".
  • At the end of Rex and NoFace's battle, Rex falls to the ground and says "Permanezcan sentados, por favor", which, in Spanish, means "Remain seated, please."
  • There is an original Ben 10 episode with the same title.

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