Last night, "Jimmy Kimmel Live" welcomed four original "Ghostbusters" stars -- Bill Murray, Dan Aykroyd, Ernie Hudson, and Annie Potts -- and four newbies -- Melissa McCarthy, Kristen Wiig, Kate McKinnon, and Leslie Jones -- for one giant 'busting session. Also, Guillermo dressed as the Stay Puft Marshmallow Man, so maybe he counts for both teams.

JKL shared a new clip from the 2016 movie, which is coming out July 15. That movie features cameos from the OG stars, and all of the guests danced to the theme song, and discussed the original and new "Ghostbusters."

Jimmy asked Bill Murray what drew him to this project, vs. the other "Ghostbusters" movie pitches over the years. "It was only 'cause I knew these girls were funny," he answered. "When you see the film, you'll delight in the film. It sort of rumbles along in the beginning, and you go 'Oh God, are they going to pull this thing off?'" Everyone laughed, but Murray added, "There is just no quit in these girls." He has worked with a few of the actresses before. "This is a tough movie to pull off because it's a big concept, there's a lot on the plate, there's a lot of expectation." He said, by the end, he, Dan Aykroyd, Annie Potts, and Ernie Hudson were "screaming and cheering like we were at a sporting event."

They also talked about criticism of the new film, and other tidbits, so watch all of the videos from the show:

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