Aha! And why did you send the valentine, Piglet?
7 seconds sound clip from The New Adventures of Winnie the Pooh - Un-Valentine's Day (S2E5).
You can hear this line at 00:11:47.680 in the Blu-ray version of the TV Series.
Quote context
[...]
- But I didn't, Rabbit. Someone else broke it first, and I just broke it some more.
- Someone else? Then that someone else has to be someone else in this room.
- Yes! It was me! I did it! I'm sorry!
- Aha! And why did you send the valentine, Piglet?
- Well, you see, actually, it wasn't me.
- I'm not very good under pressure?
- We must get to the bottom of this.
- Say, who's the guilty party around here?
- Who broke the promise, Mama?
[...]