You have until then to put the kid back.
5 seconds sound clip from the Monsters, Inc. movie soundboard.
You can hear this line at 00:44:37 in the Blu-ray version of the movie.
Quote context
[...]
- Which means the scare floor will be...?
- Painted?
- Empty! It'll be empty, you idiot!
- But when the big hand points down, the door will be gone.
- You have until then to put the kid back.
- Boo! (2)
- No.
[...]