I'm gonna get in there if it's the last thing I do-hoo-hoo-hoo!
5 seconds sound clip from The New Adventures of Winnie the Pooh - What's the Score, Pooh? / Tigger's Houseguest (S3E3).
You can hear this line at 00:13:00.841 in the Blu-ray version of the TV Series.
Quote context
[...]
- I guess nobody wants to do any playing with me today.
- Say, even my door's being... unfriendly.
- If I don't get this thing unstuck, I'll be stuck out there forever.
- I'm gonna get in there if it's the last thing I do-hoo-hoo-hoo!
- Say, do I hear teensy little insecty footsteps of the bug variety?
- Hmm. Looks like I got a houseguest. Why, it must be a blue-faced, yellow-bellied housefly.
- Hiya, little fella. My name's Tigger. What's yours?
[...]