— Do you believe in UFOs, astral projections, mental telepathy, ESP, clairvoyance, spirit photography, telekinetic movement, full-trance mediums, the Loch Ness monster and the theory of Atlantis?
— If there's a steady paycheck in it, I'll believe anything you say.
— You know, you don't act like a scientist.
— They're usually pretty stiff.
— You're more like a game-show host.
Twenty-four hours a day, seven days a week. No job is too big. No fee is too big.
— Do you have any hobbies?
— I collect spores, molds and fungus.
— Whatever it is, it's gotta get by us. Right. Go get her, Ray!
— Gozer the Gozerian? Good evening. As a duly designated representative of the city county and state of New York I order you to cease all supernatural activity and return to your place of origin or to the nearest convenient parallel dimension.
— That ought to do it. Thanks very much, Ray.
— But there are some things we do... standard procedures in a case like this, which often bring us results.
— I could check out the structural details in the building. Maybe the building has a history of psychic turbulence.
— Right. Good idea.
— I could search «Zuul» in the usual literature. Spates Catalog.
— I'll take Miss Barrett back to her apartment and check her out. I'll go check out Miss Barrett's apartment. O'kay?
— There's something very important. I forgot to tell you.
— What?
— Don't cross the streams.
— Why?
— It would be bad.
— I'm fuzzy on the whole good/bad thing. What do you mean, «bad»?
— Imagine all life as you know it stopping instantaneously and every molecule... in your body exploding at the speed of light.
— Total protonic reversal.
— Right, that's bad. Okay.
— What are you supposed to be, some kind of a cosmonaut?
— No, we're exterminators. Somebody saw a cockroach up on 12th.
— That's gotta be some cockroach.
— Bite your head off, man.
If there's something strange
In your neighborhood
Who you gonna call?
Ghostbusters!
If there's something weird
And it don't look good
Who you gonna call?
Ghostbusters!
— Choose. Choose the form of the Destructor.
<...>
— It's the Stay Puft, Marshmallow Man.
— There's something you don't see every day.
— I tried to think of a harmless thing. Something I loved from my childhood. Something that could never, ever possibly destroy us. Mr. Stay Puft.
— Nice thinking, Ray.