|Season 3, Episode 19|
|Air Date||May 8, 2012|
Prom-asaurus is the 19th episode of season three. It aired on May 8, 2012.
Finn is announced as a nominee for Prom King. Rachel is supportive until she sees a campaign poster of Finn and Quinn running together. Rachel decides to have an anti-prom party, but Finn eventually persuades her to join him at Prom. Finn and Rachel are announced as the Prom King and Queen and they dance while Quinn and Santana sang Take My Breath Away. Rachel wins as a write-in candidate, though in reality, Santana and Quinn faked the vote. Rachel is confused, but Finn re-assures her that she's sexy, beautiful, and inspiring.