- Great. I'll be landing at the school roof in about one minute.
- I'll be there.

4 seconds sound clip from the Back to the Future Part II movie soundboard.

You can hear this line at 01:27:38.387 in the Blu-ray version of the movie.

Quote context

[...]

- I think he took your wallet. I think he took his wallet.

- Go, Johnny, go, go, go. Johnny B. Goode

- Go, go. Go, Johnny, go, go. Go, Johnny, go, go, go. Go, Johnny, go, go. Go, Johnny, go, go, go. Johnny B. Goode.

- I guess you guys aren't ready for that yet. But your kids are going to love it.

- Hey, Doc, success. Everything's cool.

- Great. I'll be landing at the school roof in about one minute.

- I'll be there.

- Lorraine!

- Marty, that was very interesting music.

- I hope you don't mind, but George asked if he could take me home.

- Great. Lorraine, I had a feeling about you two.

- I have a feeling, too.

- Hey, butthead! You think that stupid disguise would get by me?

[...]