- Are you sure this is it?
- Yeah. Yeah, sure. This is it. This is it.

6 seconds sound clip from the American Graffiti movie soundboard.

You can hear this line at 01:29:58 in the Blu-ray version of the movie.

Quote context

[...]

- He mustn't have been used to drinking.

- No. He likes to drink. He told me so.

- I knew a man once who got that sick. Billy Weber. That was 10 years ago.

- Being on his hands and knees like that, he looks like a dog, doesn't he? He looks like Old Ginger.

- Sicker than a dog, that's for sure.

- Are you all right?

- Oh, rats. Oh, I feel terrible.

- The car! Debbie, look!

- What?

- Debbie, that's the car! Hey, look, it's sitting right here.

- Are you sure this is it?

- Yeah. Yeah, sure. This is it. This is it.

- They must've taken the keys with them.

- Well, maybe we better go call the police.

- No. No. Wait a minute. I got a better idea. We'll just steal it right back, all right?

- Now, you get some wire. We need about a foot. We can hotwire it. Okay?

[...]