Marty, what happened to you?
2 seconds sound clip from the Back to the Future Part II movie soundboard.
You can hear this line at 01:13:05.890 in the Blu-ray version of the movie.
Quote context
[...]
- Marty. Marty! Marty. Marty, Marty. Damn! Where is that kid?
- Doc. Doc, come in. Come in, Doc.
- Doc.
- Marty.
- Marty, what happened to you?
- I went to Biff's house, and you weren't there.
- Marty, listen, we may have to abort this entire plan. It's getting much too dangerous.
- Don't worry. The book is on Biff's dashboard. I'll grab it as soon as we get to the school.
- Marty, you must be extremely careful not to run into your other self.
- Yes.
[...]