S10E5: Back to the Pilot
You gonna flap your lips or you gonna do what I said?
Okay, okay! All right! God!
You just talked to yourself. Won't that alter the past?
Don't worry, Brian. If I was successful in restoring the past just now,
you and I will never have existed.
The chronological tangent that created us will have been erased.
Oh, is it going to hurt?
Just a little.