What You Didn't Know About That Slime From The Original 'Ghostbusters'

The cast let Oprah in on some secrets back in 1989.

When you think of the personalities featured in the original “Ghostbusters” film, you probably think about five of its leading actors: Bill Murray, Dan Aykroyd, Ernie Hudson, Harold Ramis and Sigourney Weaver. But, according to the cast, there was actually another big star in the movie: the slime.

The original “Ghostbusters” cast opened up about their inanimate “co-star” back in 1989, when they appeared together on an episode of “The Oprah Winfrey Show” to promote the movie’s sequel. Oprah ― who, without hesitation, dipped her hand right into a bucket of the slime on stage ― asked the actors point-blank: What is this goo?

“It’s a food starch, I think,” Ramis said.

“A Chinese food starch,” Murray added.

This particular purple slime was the film’s psycho-reactive ooze (”mood slime”) that lay beneath New York City. What most moviegoers didn’t realize about the substance, however, was how often a new batch had to be created for filming.

“Every few hours, they make it fresh,” Murray revealed.

It wasn’t always a simple undertaking, Ramis points out. “There was a scene where I think 40,000 gallons of it were used in one shot,” he said.

And it didn’t seem particularly easy to remove from clothing, either. “If you like that suit, don’t get any on it,” Aykroyd warned Oprah.

Now that’s a high-maintenance co-star.

Another 80s film flashback:



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