Grab your boutonnieres because we're going back to Prom! Jenna and Kevin have loads of behind-the-scenes scoop on this Dino-mite episode, including the lengths production went through to make this a 'Rexcellent' Prom! Find out how Ryan Murphy himself helped out with the design! Plus, Kevin and Jenna reveal why they had the most fun performing during prom episodes, the Prom look that had the duo cracking up, and Jenna's nieces are now Gleeks, and they have a special request for their Auntie!!