- Mr. Stay Puft: That reminds me of the story about the the travelling salesman's ghost and the farmer's daughter's vacuum cleaner.
- Janine Melnitz: [on phone] You won't believe what he wants me to do.
- Ray Stantz: [on other line] I don't care what he wants, just do it. We can't let these ghosts know we're on to them. Janine, this thing is big.
- Janine Melnitz: It's about to get bigger.
- J. Portman Plump: Those dentists are guests at this hotel. And I don't want you shooting any more of them with those... those, ehm...
- Dr. Egon Spengler: Particle throwers.
- Peter Venkman: I've always wanted to do that to a dentist.
- Peter Venkman: [standing by a large pile of occupied ghost traps] I hope I didn't get any dentists by mistake.