Photo Flash: John Stamos Shares GLEE Photos

Stage and screen star John Stamos makes his return to GLEE in tomorrow's 'Sexy' episode. In the photos below, Stamos shares some of his own photos from behind the scenes of the GLEE set.

When free-spirited substitute teacher Holly Holliday (guest star Paltrow) fills in for the absent sex-education teacher, she joins forces with Mr. Schuester to teach the kids of New Directions the facts of life. Meanwhile, Emma heads up the Celibacy Club, and she and Dr. Carl (guest star Stamos) address some issues in their personal life in the all-new"Sexy" episode of GLEE airing Tuesday, March 8 (8:00-9:01 PM ET/PT) on FOX.

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."