Sorry about your barn.

3 seconds sound clip from the Back to the Future movie soundboard.

You can hear this line at 00:32:54 in the Blu-ray version of the movie.

Quote context

[...]

(SCREAMING) (2)

- Children!

- Listen... Whoa.

(COWS MOOING)

- Hello? Excuse me.

- Sorry about your barn.

(GUN FIRING)

- It's already mutated into human form! Shoot it!

(GUN FIRE)

- Take that, you mutated son of a bitch!

[...]