Glee Season 3 Episode 4 : Pot o' Gold
Irish exchange student Rory Flanagan (Damian McGinty) arrives at McKinley High. He is living at Brittany's house, and she thinks he's a leprechaun. Mercedes starts recruiting for Shelby's new glee club, and succeeds in attracting Santana and Brittany, who are now officially dating. Sue gains a new competitor in her run for congress when Kurt's dad, Burt Hummel (Mike O'Malley), decides to run against her as a write-in candidate. Rory joins New Directions.