Dana Barrett: You know, you don't act like a scientist.
Dr. Peter Venkman: They're usually pretty stiff.
Dana Barrett: You're more like a game show host.

We came, we saw, we kicked its ass.

Dr. Peter Venkman

Dr Ray Stantz: Where do these stairs go?
Dr. Peter Venkman: They go up.

Well, this is great. If the ionization-rate is constant for all ectoplasmic entities, we can really bust some heads... in a spiritual sense, of course.

Dr Ray Stantz

Dana Barrett: That's the bedroom, but nothing ever happened in there.
Dr. Peter Venkman: What a crime.

Dr. Egon Spengler: There's something very important I forgot to tell you.
Dr. Peter Venkman: What?
Dr. Egon Spengler: Don't cross the streams.
Dr. Peter Venkman: Why?
Dr. Egon Spengler: It would be bad.
Dr. Peter Venkman: I'm fuzzy on the whole good/bad thing. What do you mean, "bad"?
Dr. Egon Spengler: Try to imagine all life as you know it stopping instantaneously and every molecule in your body exploding at the speed of light.
Dr Ray Stantz: Total protonic reversal.
Dr. Peter Venkman: Right. That's bad. Okay. All right. Important safety tip. Thanks, Egon.

Dr Ray Stantz: [astounded] Wow! Talk about telekinetic activity, look at this mess!
Dr. Egon Spengler: Ray, look at this.
Dr Ray Stantz: Ectoplasmic residue.
Dr. Egon Spengler: Venkman, get a sample of this.
Dr Ray Stantz: It's the real thing.
Dr. Peter Venkman: Someone blows their nose and you want to keep it?
Dr. Egon Spengler: I'd like to analyze it.
Dr. Peter Venkman: [gets the slime on his hand] Whoa, ah.
Dr. Egon Spengler: This way.

[Egon is running tests on Louis, who has been possessed by Gozer and is now the Keymaster]
Dr. Egon Spengler: Vinz, you said before you were waiting for a sign. What sign are you waiting for?
Louis: Gozer the Traveler. He will come in one of the pre-chosen forms. During the rectification of the Vuldrini, the traveler came as a large and moving Torg! Then, during the third reconciliation of the last of the McKetrick supplicants, they chose a new form for him: that of a giant Slor! Many Shuvs and Zuuls knew what it was to be roasted in the depths of the Slor that day, I can tell you!

Winston Zeddemore: Do you believe in God?
Dr Ray Stantz: Never met him.

I feel like the floor of a taxi cab.

Dr. Egon Spengler

NOBODY steps on a church in my town.

Dr. Peter Venkman

Dana Barrett: [possessed by Zuul] Do you want this body?
Dr. Peter Venkman: Is this a trick question?

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