Photo Flash: Mike O'Malley Guest Stars on GLEE at Chris' Dad 5/11

Rachel panics when a sore throat affects her singing; Kurt tries to change his persona to impress his father (Mike O'Malley); and Puck makes a strategic move to elevate his social status.

Recent winner of the People's Choice Award for Best New Comedy and Golden Globe winner for Best Television Series Comedy or Musical, GLEE, the new musical comedy series, follows an optimistic teacher who - against all odds and a malicious cheerleading coach - attempts to save McKinley High's Glee Club from obscurity while helping a group of aspiring underdogs realize their true star potential.

The show, which also garnered Golden Globe recognition, stars Dianna Agron, Chris Colfer, Jessalyn Gilsig, Jane Lynch, Jayma Mays, Kevin McHale, Lea Michele, Cory Monteith, Matthew Morrison, Amber Riley, Mark Salling and Jenna Ushkowitz.

GLEE is produced by Ryan Murphy Television in association with 20th Century Fox Television. Ryan Murphy, Brad Falchuk and Ian Brennan are co-creators of the series. Murphy, Falchuk and Dante di Loreto serve as executive producers, while Ian Brennan serves as co-executive producer.

For information on the upcoming GLEE tour this summer, visit www.gleetour2010.com.

Photo Credit: Michael Yarish/FOX