Marty: "Doc! Doc! Doc! Doc!"
Doc: "(screams in disbelief)"
Marty: "Okay, relax, Dac. It's me. It's me! It's Marty."
Doc: "No, it can't be! I just sent you back to the future."
Marty: "I know. You did send me back to the future. but I'm back. I'm back from the future."
Doc: "Great Scott! (and he collapses)"