You think I'm beaten, don't you? Well, I'm not.
3 seconds sound clip from the It's an Adventure, Charlie Brown movie soundboard.
You can hear this line at 00:41:41.061 in the Blu-ray version of the movie.
Quote context
[...]
- Well, this is what friends are for.
- Well, he's finally gone to sleep.
- Maybe if he can make it through the night without his blanket, he'll be all right.
- Sleep is what he needs. If he can just sleep for...
- You think I'm beaten, don't you? Well, I'm not.
- I've just got to dig and dig and dig until I find it.
- I've got to find it. I've got to find it. I've got to dig everywhere until I find that blanket.
[...]