How could you forget a thing like your hat?
2 seconds sound clip from the Back to the Future Part III movie soundboard.
You can hear this line at 00:24:22.845 in the DVD version of the movie.
Quote context
[...]
- It's okay, Will. This here is Mr. Clint Eastwood here visiting.
- He surely likes you, Mr. Eastwood.
- 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?
- Yeah.
- I'll tell you what I'll do, Mr. Eastwood.
- I'll help you find your blacksmith friend.
[...]