- Would you like some water?
- Yeah.

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

You can hear this line at 00:24:25.640 in the DVD version of the movie.

Quote context

[...]

- He surely likes you, Mr. Eastwood.

- Maggie. I've got supper.

- I'm not one to pry into a man's personal affairs, but exactly how is it that you came to be way out here without a horse, or boots, or a hat?

- Well, my car... horse broke down, and a bear ate my boots, and I guess I just forgot my hat.

- How could you forget a thing like your hat?

- Would you like some water?

- Yeah.

- I'll tell you what I'll do, Mr. Eastwood.

- I'll help you find your blacksmith friend.

- You can stay the night in the barn, and tomorrow I'll take you as far as the railroad tracks. You can follow them straight on into town.

- I'll even give you a hat.

[...]