Yuck! What'd you say this was called? A putrid stage?
9 seconds sound clip from the Gremlins movie soundboard.
You can hear this line at 00:42:01 in the Blu-ray version of the movie.
Quote context
[...]
- Did you feed them after midnight?
- Well, I gave them some chicken.
- No, no, no. Wait a minute. I made sure...
- Yuck! What'd you say this was called? A putrid stage?
- Pupal. Pupal stage.- Like a butterfly.
- Yeah, right. This is a cocoon, and inside he's going through changes. Lots of changes.
- This is called a metamorphosis. It's a change in form and in appearance.
[...]