Or perhaps, Tigger, since Rabbit and Cassie are not here, this note is from them telling us where they are.

7 seconds sound clip from The New Adventures of Winnie the Pooh - Tigger Got Your Tongue? / A Bird in the Hand (S3E10).

You can hear this line at 00:17:19.986 in the Blu-ray version of the TV Series.

Quote context

[...]

- What does it say, Pooh?

- I believe we shall have to read it.

- Why, hoo hoo, it's obliviously a Happy birthday, Tigger kind of card.

- Or it could be an invitation to breakfast or lunch or dinner. I'm not particular.

- Perhaps we should ask Rabbit to read it.

- Hello! Anybody home?

- Or perhaps, Tigger, since Rabbit and Cassie are not here, this note is from them telling us where they are.

- That's it, buddy bear. Let's go find them so they can tell us where the note say they are.

- Why, there's no telling what kind of danger's lurking out here.

- Yipes!

- You're safer than safe with me. Hoo hoo hoo!

- So nice you could drop by on account of that means that many more ransoms, and that much more honey for us.

[...]