“- Male Student: I didn't know you were gonna be giving me electric shocks. What are trying to prove here, anyway?
- Dr. Peter Venkman: I'm studying the effect on negative reinforcement on ESP ability.
- Male Student: Effect? I'll tell you the effect is, it's pissing me off!”
Steven Tash - Male Student
Bill Murray - Dr. Peter Venkman

“- Brennan Huff: You know what? I still hate you, but you got a pretty awesome collection of nudie mags.
- Dale Doback: Yeah, I got 'em from the 70's, 80's and 90's. It's like masturbating in a time machine.”
Will Ferrell - Brennan Huff
John C. Reilly - Dale Doback

“Hitler uses his fantasies to inspire his followers, but for Schmidt, it is not fantasy. For him, it is real. He has become convinced that there is a great power hidden in the earth, left here by the gods, waiting to be seized by a superior man.”
Stanley Tucci - Abraham Erskine

“For fifteen years, everybody told me I was making it up. Everyone said it was just a story. There's no such thing as the Boogeyman. But I was right.”

Barry Watson - Tim

“It's time to grow up. Nothing supernatural happened. These feelings you're having, they're going to get worse unless you face this. Go home Tim. Spend one night in that house. It will help.”
Robyn Malcolm - Dr. Matheson