Are you okay?
2 seconds sound clip from the Back to the Future Part II movie soundboard.
You can hear this line at 01:22:16.899 in the Blu-ray version of the movie.
Quote context
[...]
- 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!
- Yes!
- It's okay. I know CPR. I know CPR.
- Hey.
- You!
- Hey, did you just take his wallet? He just took that guy's wallet.
[...]