First premiering in January 2006, Ben 10 is a Cartoon Network Original Animation Series that finds our hero, 10-year-old Ben Tennyson, discovering an alien "Omnitrix" watch that allows him the ability to transform into any one of ten alien superheroes! With the help of his Grandpa Max and "dweeb" cousin Gwen, Ben defeats his arch-nemesis Vilgax in the "Secret of the Omnitrix" movie special, leaving the planet earth safe from evil alien threats. In "Ben 10: Alien Force" (premiered April 2008), our hero is now fifteen years old and must once again use the Omnitrix to protect the earth from a new, sinister alien conspiracy that threatens to conquer the entire universe! This time around he has the help of not only his cousin Gwen (who is learning to master alien powers of her own), but his old nemesis Kevin Levin. Together, our trio of heroes span the globe (and galaxy!) to protect the earth from threats as they arise. Picking up immediately where "Ben 10: Alien Force" leaves off, "Ben 10: Ultimate Alien" (premiering April 2010) follows the now 16-year-old Ben as his life changes in major ways! The Omnitrix has been destroyed and Ben must now learn to master the secrets of the mysterious Ultimatrix, a new watch-like device that not only allows him to transform into a variety of alien super heroes, but also gives him the ability to activate evolved (or "ultimate") versions of some of his most powerful alien entities! That's only half of the changes in store for our hero, as a young savvy fanboy discovers Ben's secret identity and reveals it to the world! Faced with newfound stardom, Ben must deal with obsessive fans and skeptics who view him as a nuisance. With Gwen and Kevin still at his side, Ben continues his battle against incredible alien threats to the galaxy!
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Goodbye and Good Riddance 04x10
With summer over, Ben goes back to school. Unable to tell anyone about the Omnitrix, Ben finds that regular life is much more boring than he imagined. However, the arrival of Vilgax promises to rectify that situation.
Ben 10 vs. Negative 10 (2) 04x09
Ben, Gwen, Cooper and Grandpa Max face their last battle ever against the villains they have encountered and they will battle to get the world's most powerful energy source.
Ben 10 vs. Negative 10 (1) 04x08
The Forever King sets his plan in motion and recruits the most powerful enemies Ben has ever faced in order to steal the world's most powerful energy source.
Ken 10 04x07
In the future, Ben gives his son, Ken, an Omnitrix for his 10th birthday. However, Ben will have to learn to trust him with that power.
Ready to Rumble 04x06
When Ben accidentally breaks Gwen's laptop, he participates in the "Ultimate Wrestling Competition" as Four Arms to get the prize money for a new laptop to replace Gwen's broken one.
Ben 4 Good Buddy 04x05
While on a desert highway, the RV gets stolen by a group of modern-day pirates, who use it to go on a robbery.
Big Fat Alien Wedding 04x04
Ben, Gwen, and Grandpa Max attend a family wedding. During the ceremony, a strange alien attacks. Will the two ever finish this strange wedding?
Don't Drink the Water 04x03
After being in contact with water from the Fountain of Youth, Grandpa Max and Ben are reverted to being kids again. Now, Gwen is left to take care of them while stopping Hex from finding the fountain's source.
Divided We Stand 04x02
Ben gains another Omnitrix hero to use, which he calls Ditto. Gwen can't stand being around the multiplying Dittos, and they end up giving her headaches. The Dittos, though, prove to be real helpful against Dr. Animo and his multiplying Stinkflies after he extracted some of Ditto's DNA.
Perfect Day 04x01
Enoch and the Forever Knights return, putting Ben in a dream world where he's tricked into having the perfect day. However, his dream quickly turns into a nightmare.