Ben 10 Season 9 Episode 1 Ben 10,010

In a future where an adult Gwen Tennyson is president and the world is being taken over by the alien horde known as the Xerge, a disillusioned Ben 10000 is called out of retirement to recruit his 10-year old version from the past, only together can the battle-worn adult and the impulsive child save a future under siege.