Gee, I don't know. I don't think we should leave her alone.
5 seconds sound clip from the Ghostbusters II movie soundboard.
You can hear this line at 01:09:26 in the Blu-ray version of the movie.
Quote context
[...]
- Well, how's Oscar? Is he all right?
- Good. Good. Well, I'll just give him a look-see.
- Gee, I don't know. I don't think we should leave her alone.
- What is this? A slumber party?
[...]