"Greased Lightning."

This week "Glee's" McKinley High puts on the "Grease" musical. If you can't wait for the episode, take a behind the scenes look of the "Greased Lightning" number below.

Read about Derek's impending demise on "EastEnders" in Soaps.com's Soap Scoop: UK/Australia Edition and take a look at the DOOL Kristen DiMera Banner on Soap Opera Fan.

Join us on Twitter @soapoperafan, and Facebook. Come tweet and Facebook with us about all soap operas, "Glee," "Grey’s Anatomy," "Vampire Diaries" and "Venice the Series."

Header photo credit: FOX

- Lori Wilson