Gleeksters Rachel, Finn, Kurt and Blaine get ready for McKinley High School’s senior prom by planning an anti-prom. Could the memorable night be heading for a disaster?

Puck and Becky, who may also be part of the anti-prom alliance, take care of spiking the punch and get the party started. Soon the New Directions take over.

The 19th episode of Season 3 is entitled “Prom-a-saurus,” because this year’s prom has a prehistoric theme. The clock is winding down on the senior class and this is their moment to shine. But not everyone is happy at McKinley High.

As class president, Brittany is charged with organizing the prom. Then, prom king and queen nominations are announced. One thing is certain, the evening looks rockin.

New Directions’ Sam (Chord Overstreet), Artie (Kevin McHale), Mike (Harry Shum Jr.), Rory (Damian McGinty) and Joe (Samuel Larsen) kick into action.

They bring the house down with their rendition of boy band One Direction’s hit song “What Makes You Beautiful.”

Spoiler Alert: According to some reports, Quinn and Finn run for prom queen and king, and win in a controversial vote.

Check out New Directions’ performance below and a preview of the episode.