Didn't he travel back in a futurama episode to kill Homer one time, because Bart put a spit sandwich in a time capsule and it became radioactive?
And bedier was like, "I'm not taking a machine back, Ill go back to the future the old fashioned way." and just. Shut himself down?
And bedier was like, "I'm not taking a machine back, Ill go back to the future the old fashioned way." and just. Shut himself down?