Peter (Bill Murray), Raymond (Dan Aykroyd) and Egon (Harold Ramis) are three paranormal scientists who get kicked out of university while they are investigating ghosts (though Peter is more interested in getting laid). They go into business to detect and catch ghosts. After a chaotic adventure at a hotel where they capture a ghost after wrecking a ballroom, the Ghostbusters become overnight sensations...
But the EPA is interested in closing down their laser containment system and unlicenced nuclear accelerators. Meanwhile, in a mysterious NY apartment block Dana (Sigourney Weaver) appears to have a Hittite god in her fridge. The god is getting ready to return to the world and herald a new dark age...
This is a great film, full of funny lines which entered 1980s pop culture. The visuals were great for their day and many images from the film are pretty iconic, including the giant marshmallow man...