"Ben 10,000" is the premiere episode of the American animated television series Ben 10, which first aired on November 25, 2006.
Plot
It starts with Ben and Gwen AbOUT to celebrate Grandpa's 60th birthday, Grandpa goes out for firewood when suddenly, a yellow ball of energy comes up and a person comes out and steals gwen, Ben transforms into XLR8 and chases after the kidnapper into the portal, it closes. Grandpa comes back to find them gone. On the other side of the portal, Ben as XLR8 easily gets Gwen back, but it has closed. Ben and Gwen take a look wondering where they are, a rhinocerous-like creature comes and attacks The Two of them when suddenly, a grey flash comes by and runs around the rhino really quickly, while the kidnapper does this blast of yellow energy on it and it is destroyed, the grey flash is revealed to be XLR8 from the future, and the other person is revealed to be Gwen from the future, now she can do magic. Future Grandpa comes in and they have a reunion, Future Gwen tells them that Future Ben is fighting Dr. Animo, Ben decides to become FourArms to help his future self, unfortuneately, it goes to Stinkfly instead. They go in and find Future Ben as FourArms fighting Animo, Animo is a head on a gorilla-like body, who's apparently very strong. It is shown that Future Ben has unlocked all the secrets of the Omnitrix, knowing the master code, and has 10,000 forms (hence the title). Ben wants to help future Ben but future Ben says he "likes to work alone" . Future ben defeat's Dr. animo,when the Galactic Enforcers show up and complain about future ben not saveing any villan for them,he tells them to put animo in jail.Dr. animo wakes up and makes them unconsious, and breaks open a tube wich is revealed to have vilgaxes remains in it.to be continued.