Quote Originally Posted by f f freak View Post
I thought that Time travel had been involved in the Cell saga. Or was it the Android saga. I forget but anyway I remember that Trunks dude came from the future to warn them about Cell. So it's not exactly new is it?
Trunks went back in time to warn Goku about the Androids after he returns from the planet he went to after Namek exploded and to warn Goku about his ailment that was coming then after the androids are dead and cell is gone he leaves into the future.