Oh, my goodness. I think I've forgotten the wishing rhyme.
5 seconds sound clip from The New Adventures of Winnie the Pooh - The Wishing Bear (S1E16).
You can hear this line at 00:03:29.120 in the Blu-ray version of the TV Series.
Quote context
[...]
- You see, it's a very small wishing star. And too many wishes might wear it out.
- Aww. Then can we come back tomorrow night?
- Oh, bother. My wish is empty.
- Oh, my goodness. I think I've forgotten the wishing rhyme.
- This is going to take some very large remembering.
- Um, hop like a bunny, dig like a... No, that's not it.
- Hello, Pooh Bear. I'm building my very own snowman, all by myself.
- That's a very big job, for such a very small animal, Piglet.
[...]