Tim Stack
May 04, 2012 AT 08:12 PM EDT

Next week’s episode of Glee is titled “Prom-asaurus” and fittingly so, given Brittany’s elaborate dancefloor performance of Ke$ha’s “Dinosaur.” Brit and the dinosaur-masked Cheerios break out some elaborate choreography, and the clip also reveals a nervous Finn (Cory Montieth) looking for an MIA Quinn (Dianna Agron). Where could she be? Watch the exclusive scene below…

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