Aired: Apr 18, 2008Ben reactivates the Omnitrix to search for Grandpa Max after he vanishes.


Ben, Gwen, and Kevin join Grandpa Max on a fishing trip, only to discover a surprising encounter with a powerful sorceress - their own grandmother.
Streaming in:
United States
Currently, you have the opportunity to watch "Ben 10: Alien Force" by streaming it on the following platforms: Spectrum On Demand. Additionally, viewers have the option to either rent or purchase "Ben 10: Alien Force" on the following digital platforms: AppleTV, Amazon, Google Play, YouTube, Fandango at Home.