You didn't notice if a man came here and delivered a letter today, did you?
6 seconds sound clip from the Christmas Vacation (1989) movie soundboard.
You can hear this line at 00:56:49 in the Blu-ray version of the movie.
Quote context
[...]
- So. It's good idea you came to stay with us, isn't it?
- I think you'd better go back to bed now.
- Okay. How come you ain't sleeping?
- Oh, I was just looking for something.
- You didn't notice if a man came here and delivered a letter today, did you?
- Now you get back to bed. Come on.
- Uncle Clark, are you sure you ain't Santy Claus?
[...]