Oh, I'm glad to do it, Gopher.
4 seconds sound clip from The New Adventures of Winnie the Pooh - A Very, Very Large Animal / Fish Out of Water (S1E19).
You can hear this line at 00:14:50.520 in the Blu-ray version of the episode.
Quote context
[...]
- But, Rabbit, how would we do that?
- We'll go in after them, that's how.
(Rabbit falling in Gopher's underground tunnel)
- Yes, sir, roomie. You're a one-in-a-million friend, trying to save my home like this.
- Oh, I'm glad to do it, Gopher.
- This guy's a gem, a jewel, true-blue. Don't know how I'm going to repay you.
- I hear something. Listen. Dot dash dot dot d-dot dot... Ah!
- They know we're here! We're surrounded! It's... It's...
[...]