The original series went on to inspire a franchise with Ben 10: Alien Force, Ben 10: Ultimate Alien, Ben 10: Omniverse being subsequently released, as well as another series in 2017.

Ben 10 is one of the most memorable action franchises ever released with Cartoon Network, but it almost was an entirely different series with an original “trippy” idea before its current form.

The premiere of Ben 10 makes its U.S. debut Monday, April 10 at 5 p.m. (ET/PT) on Cartoon Network, but fans can also watch the episode today on the Emmy Award-winning Cartoon Network app. Be sure ...