You're probably wondering what I'm doing with this pumpkin on my head.
4 seconds sound clip from the Garfield's Halloween Adventure (1985) movie soundboard.
You can hear this line at 00:04:12.697 in the Blu-ray version of the movie.
Quote context
[...]
- Ah, why can't I stay angry with you, Garfield?
- What's with the blanket? Are you practicing for Halloween?
- Practicing? I'll have you know Halloween is my middle name. Gar-Halloween-field. Oh, well.
- You're probably wondering what I'm doing with this pumpkin on my head.
- Wahoo! There's a pumpkin on your head. I hadn't noticed.
- I was carving a jack-o'-lantern until you arrived. What do you think?
- This stuff appears to be of the lasagna persuasion.
- Since when did you like pumpkin innards?
[...]