[Marty wakes up in Lorraine's bed]
Marty McFly: Mom. That you?
Lorraine Baines: There, there, now. Just relax.
[pats a damp cloth on Marty's forehead]
Lorraine Baines: You've been asleep for almost nine hours now.
Marty McFly: I had a horrible nightmare. I dreamed that I went... back in time. It was terrible.
Lorraine Baines: Well, you're safe and sound now, back in good old 1955.
Marty McFly: [opens his eyes wide] 1955?