Well, he'll be happy to help you find your blanket.
3 seconds sound clip from the A Boy Named Charlie Brown movie soundboard.
You can hear this line at 01:00:30.154 in the DVD version of the movie.
Quote context
[...]
- Charlie Brown, I ought to kick you.
- I'm sure the blanket is at the library.
- Take old snoopy with you. He's a hunting dog. He 'll...
- Well, he'll be happy to help you find your blanket.
- I have to stay and study. Tomorrow's the spelling bee, and I just have to study.
- Look in the hotel lobby first, then go down two blocks, right, then straight. You can't miss it.
- It's either at the library or somewhere along the way.
[...]