Hmm. I wonder if it was I who lost Gopher's helmet.
5 seconds sound clip from The New Adventures of Winnie the Pooh - Tigger's Shoes / Lights Out (S1E20).
You can hear this line at 00:14:18.062 in the Blu-ray version of the TV Series.
Quote context
[...]
- Yeah. Good thing you're not afraid of the dark, Gopher.
- And who knows what's living down there?
- Living?
- Heh heh heh. Heffamadingles?
- Yeah. You never know what kind of ickety-stickety things live down in the dark.
- Hmm. I wonder if it was I who lost Gopher's helmet.
- Oh, no. No. I'm sure it wasn't you.
- Well, I have been borrowing a lot of things lately.
[...]