Curt Mega

When the football team continues to harass the male glee club members, Schuester and Beiste decide to force the groups to work together. Meanwhile, Sue comes up with a new cheerleading stunt involving a circus cannon and Brittany and the other girls have to choose whether to put their lives at risk, or join the glee club in a half-time mashup of `Thriller' and `Heads Will Roll'.

Brittany's confidence is boosted by Artie, Carl and Emma grow closer and for some of the younger couples, trouble is brewing.

Things don't go as planned and hearts end up getting broken when the glee club sets up a kissing booth for Valentine's Day.

With the threat of Aural Intensity's new coach, Sue Sylvester, and the competition from the Dalton Academy Warblers, New Direction decides to use original songs to get an edge at Regionals.

Holly Holiday returns as the sex education substitute teacher and helps the glee club out with some new numbers. On the other hand, Emma becomes the head of the celibacy club.

A tribute to Lady Gaga's `Born This Way'. Prom night causes problems for McKinley High's couple while surprise dates and guest lead to more tension.