Piglet, you were just supposed to make the handkerchief disappear.
4 seconds sound clip from The New Adventures of Winnie the Pooh - A Pooh Day Afternoon (S4E3).
You can hear this line at 00:02:31.454 in the Blu-ray version of the episode.
Quote context
[...]
- Piglet, how come no one is volunteering?
- I practiced this magic tricky all day. And now, nobody will help me.
- Tigger, what is a very small volunteer supposed to do?
- Just wave the hanky-chief over the hose and let the magic begin!
- Piglet, you were just supposed to make the handkerchief disappear.
- In the Land of Enchantment, which is awfully dark.
- Will you be needing another volunteer?
- A good magician can un-magic his own magic, you know.
[...]