- And where's Biff?
- I don't know.
- Don't you have any idea where he is?
- No! I mean, he could be anywhere by now.
7 seconds sound clip from the Back to the Future Part II movie soundboard.
You can hear this line at 01:21:25.348 in the Blu-ray version of the movie.
Quote context
[...]
- Doc! Doc, I'm in trouble. I blew it.
- Biff must still have it with him. All I got is the damn cover.
- Don't you have any idea where he is?
- No! I mean, he could be anywhere by now.
- Marty, the entire future depends on you finding Biff and getting that book back!
- I know. I just don't know where...
- Stop it! Stop it, Biff. You'll break his arm. Stop it!
- Of course! I gotta go. I got one chance!
- My old man is about to deck Biff!
[...]