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Twenty-eight years ago today, Ghostbusters opened in theaters and became an instant classic. ET was front and center at the film's Hollywood premiere on opening day, with Bill Murray, Dan Aykroyd and Rick Moranis in attendance. Watch the vintage footage to find out if the stars believe in ghosts!

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"What an exciting night in show business this is," proclaimed Murray, clearly being facetious for the camera.

The stars in attendance at the Ghostbusters premiere is an incredible snapshot of the early '80s, with guests that included Sylvester Stallone, Richard Pryor, Margot Kidder, Emilio Estevez, Beverly D'Angelo, Shelly Long, Rob Lowe with girlfriend Melissa Gilbert, Peter Falk, Fran Drescher and Aykroyd's wife Donna Dixon.

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They ain't 'fraid of no ghosts!