Photo Flash:Matthew Morrison Performs 'Make 'Em Laugh' on 'The Substitute'

On GLEE's "The Substitute" Season 2 Episode 7 - When Mr. Schuester gets sick, a substitute teacher (guest star Paltrow) takes over his Spanish class and the glee club, and winds up winning over the whole New Directions clan. Meanwhile, when Sue fills in for Principal Figgins as McKinley's top dog, she tries to flex her power on campus in the all-new "The Substitute" episode of GLEE airing Tuesday, Nov. 16 (8:00-9:01 PM ET/PT) on FOX.

GLEE made its triumphant return to prime time with an astounding 12.3 million viewers tuning in to the Season 2 premiere. The anticipation and excitement for GLEE music reached new heights with over 250,000 new tracks downloaded in the first 48 hours available. This incredible response yielded more record breaking moments for GLEE; it's the first time all singles from any episode simultaneously appeared in the top 10 of iTunes Top Songs chart. Additionally, the GLEE cast version of Jay-Z's anthem "Empire State of Mind" has the single highest first day sales for any GLEE track released to date.

To date over 13 million GLEE songs have been digitally downloaded, with over 5 million albums sold worldwide. GLEE scored three consecutive #1 releases with GLEE: The Music, Volume 3 Showstoppers, GLEE: The Music, The Power of Madonna and GLEE: The Music, Journey To Regionals. This week four GLEE releases occupy slots within Billboard's top 100 best selling albums Glee: The Music, Volume 3 Showstoppers at #31, Glee: The Music, Volume 1 at #58, GLEE: The Music, Journey To Regionals at #66 and GLEE: The Music, Volume 2 at #81. With all the excitement around Glee's return, it's evident why the New York Times proclaimed GLEE is now a bonafide phenomenon.