Mike, that's not her door.
3 seconds sound clip from the Monsters, Inc. movie soundboard.
You can hear this line at 00:41:03 in the Blu-ray version of the movie.
Quote context
[...]
- Did you lose weight? Or a limb?
- You have her card key, right?
- Take care of yourself. Try not to run through any more closets.
- What are you talking about? Of course it's her door. It's her door.
- No, her door was white and it had flowers on it.
- No. It must have been dark last night because this is its door.
- Hey, you hear that? Sounds like fun in there!
- Okay, send me a postcard, kid.
[...]