Ben 10: Alien Force - Season 3 Episode 15 Time Heals
Despite being warned by Paradox, Gwen travels back in time to prevent the accident that turned Kevin into a monster from ever happening. Gwen returns to the present only to find that her time traveling caused a series of events that led to Hex ruling the world.
- Genre: Animation, Sci-Fi & Fantasy, Action & Adventure
- Studio: Cartoon Network
- Keyword: extraterrestrial technology, villain, transformation, sequel, based on cartoon, alien race, teen superhero, war, ben 10
- Cast: Yuri Lowenthal, Greg Cipes, Dee Bradley Baker, Ashley Johnson