Another season of Glee is about to come to an end, and the finale episode isn't short on enthusiastic dance moves — or guest stars. Shirley MacLaine will be back as June Dolloway, and 30 Rock's Kristen Schaal will appear as a famous TV writer. Plus, the whole gang gets together for some street dancing! Take a look, and stay tuned for the season five finale episode, "The Untitled Rachel Berry Project," airing tonight on Fox.
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