Say what you will about the new Ghostbusters film,but at least it hasn't forgotten its roots. Paul Feig's reboot is chock-full of cameos and references to the original films. From returning characters (hint: one is made of green slime) to some familiar one-liners, here are the references to watch out for. gentle spoiler alert here: I do reference a few things you might not want to know about whether you'd prefer to fade into the film with zero information, and but there's no intellect-blowing information in here.
Source: popsugar.com