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


Ken, Gwen's brother, vanishes in a small town after seeking engine repairs, prompting Grandpa Max to arrive first, followed by Ben and the others. As they investigate, they uncover more about the sinister alien conspiracy, and a dire cost is revealed if they fail to stop it.
Streaming in:
United Kingdom
Can't find where to watch Ben 10: Alien Force from United States?
Use a VPN service like NordVPN to unlock access to streaming sources from any region worldwide.