Glee Season 1 Episode 13 : Sectionals
Rachel learns that Puck is the father of Quinn's baby and tells Finn, who briefly quits the glee club. Emma postpones her wedding to accompany New Directions to Sectionals. The team discovers that its rivals are performing songs from its setlist, and aided by Finn's return, puts new routines together at the last moment. They win by unanimous decision and advance on to Regionals. Sue vows revenge when she is suspended by Principal Figgins over her attempts to sabotage the club. Ken breaks up with Emma over her feelings for Will, who leaves Terri and shares a kiss with Emma.