NBC renewed the cult hit series in May, but have replaced controversial showrunner Dan Harmon with former Happy Endings writers David Guarascio and Moses Port.
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Speaking to Zap2it, Brie said she is excited to move forward with the critically-acclaimed series.
"Of course it's hard to say goodbye to Dan - we all love Dan. It's something that's out of our control," she explained.
Brie added of the future: "We weren't even sure that we would have a fourth season, so the fact that we get to come back and be together I think is a really wonderful thing."
Port and Guarascio spoke about their plans for Community over the weekend at Comic-Con, with the writers promising not to "screw it up".
Watch a Community gag reel below:
