Well, I guess she can't be sidetracked.
3 seconds sound clip from the The Sword in the Stone (1963) movie soundboard.
You can hear this line at 00:41:53.040 in the Blu-ray version of the movie.
Quote context
[...]
- Hmm? Oh. Well, I suppose we better go back to a sidetrack.
- Go on, go on. You've got lots of room.
- Well, I guess she can't be sidetracked.
- That's a girl squirrel and a redhead, at that.
(Girl squirrel chittering) (2)
- Why?
- Yes, well. Well, that's nature again.
- But I'm afraid there's no time to explain.
[...]