Our beloved McKinley seniors’ final high school dance is coming up faster than you think! Glee Season 3, Episode 19: "Prom-asaurus" airs on May 5. And yes, the episode title does not lie. This year’s theme really is dinosaurs. We’ve already given you plenty of spoilers and juicy previews of what’s to come. Now, take a look at the track list of songs you can expect to hear during this sure-to-be-memorable night.