full size Kurt and Mercedes in Glee Season 3, Episode 19: “Prom-asaurus”
Credit: Mike Yarish/FOX ©2011 Fox Broadcasting Co.

Between dancing cheerleaders with big dinosaur heads and swoon-tastic boy bands, the music from Glee Season 3, Episode 19: “Prom-asaurus” is not to be missed. Want to check out any of the songs again? Now you can re-watch each of the great performances.

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Watch! Lea Michele's Rachel Sings Fergie's "Big Girls Don't Cry" in Glee Season 3, Episode 19: "Prom-asaurus: (VIDEO)
Credit: Glee on Fox on YouTube
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Watch! Full Performance of Brittany Singing Ke$ha "Dinosaur" in Glee Season 3, Episode 19: "Prom-asaurus: (VIDEO)
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Watch: One Direction! Full Performance of Sam, Joe, Rory, Artie and Mike Singing "What Makes You Beautiful" in Glee Season 3, Episode 19: "Prom-asaurs" (VIDEO)
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Watch! Naya Rivera's Santana Sings Selena Gomez's "Love You Like a Love Song" in Glee Season 3, Episode 19: "Prom-asaurus: (VIDEO)
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Watch: Quinn Walks! She and Santana Sing Berlin’s “Take My Breath Away” in Glee Season 3, Episode 19: "Prom-asaurus: (VIDEO)