I can't believe this. I can't tell you anything. Every time I tell you something, everyone else knows about it.
10 seconds sound clip from the Halloween (1978) movie soundboard.
You can hear this line at 00:42:18 in the Blu-ray version of the movie.
Quote context
[...]
- What would you say if I told you that you were going to the homecoming dance tomorrow night?
- I'd probably say you have the wrong number.
- What do you mean it was easy?
- Please tell me you didn't. Oh, you didn't.
- Laurie. The boogeyman is outside. Laurie, he's out there. Laurie, the boogeyman is outside. Look.
- Tommy, there's nobody outside. Go watch TV.
[...]