Episode 13
Goodbye and Good Riddance
The summer finally ends. Ben and Gwen have to go back to their normal lives. Grandpa Max tells Ben to keep the Omnitrix a secret from everyone, even his parents. Ben agrees, but Vilgax arrives and he'll stop at nothing to get the Omnitrix.
July 14, 2007
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.
Episode 3
Don't Drink the Water
July 21, 2007
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.
Episode 4
Big Fat Alien Wedding
July 28, 2007
Ben, Gwen, and Grandpa Max attend a family wedding. During the ceremony, a strange alien attacks. Will the two ever finish this strange wedding?
Episode 5
Secret of the Omnitrix (1)
August 4, 2007
During a battle with Dr. Animo, the Omnitrix is accidentally set to self-destruct. In order to stop it, Ben, Gwen, and Tetrax travel across spaceto track down the Omnitrix's creator, Azmuth.
Episode 6
Secret of the Omnitrix (2)
August 4, 2007
During a battle with Dr. Animo, the Omnitrix is accidentally set to self-destruct. In order to stop it, Ben, Gwen, and Tetrax travel across spaceto track down the Omnitrix's creator, Azmuth.
Episode 7
Secret of the Omnitrix (3)
August 4, 2007
During a battle with Dr. Animo, the Omnitrix is accidentally set to self-destruct. In order to stop it, Ben, Gwen, and Tetrax travel across spaceto track down the Omnitrix's creator, Azmuth.
Episode 8
Ben 4 Good Buddy
September 22, 2007
While on a desert highway, the RV gets stolen by a group of modern-day pirates, who use it to go on a robbery.
Episode 9
Ready to Rumble
September 29, 2007
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.
Episode 10
Ken 10
October 6, 2007
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.
Episode 11
Ben 10 vs. Negative 10 (1)
March 9, 2008
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.
Episode 12
Ben 10 vs. Negative 10 (2)
March 9, 2008
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.
Episode 13
Goodbye and Good Riddance
April 15, 2008
The summer finally ends. Ben and Gwen have to go back to their normal lives. Grandpa Max tells Ben to keep the Omnitrix a secret from everyone, even his parents. Ben agrees, but Vilgax arrives and he'll stop at nothing to get the Omnitrix.
