Episode guide
Ben 10: Season 4
13 episodes · premiered Jul 7, 2007
TMDB has no overview for this season.
- Episode 1: Perfect Day Jul 7, 2007 · 22m 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.
- Episode 2: Divided We Stand Jul 14, 2007 · 22m 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…
- Episode 3: Don't Drink the Water Jul 21, 2007 · 22m 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…
- Episode 4: Big Fat Alien Wedding Jul 28, 2007 · 22m 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) Aug 4, 2007 · 22m 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) Aug 4, 2007 · 22m 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) Aug 4, 2007 · 22m 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 Sep 22, 2007 · 22m 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 Sep 29, 2007 · 22m 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 Oct 6, 2007 · 22m 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) Mar 9, 2008 · 22m 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) Mar 9, 2008 · 22m 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 Apr 15, 2008 · 22m 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…