Sneak Peek: 'Glee' Cast Do The "Time Warp"

Finally! A leaked performance form the students of  McKinley High belting out the classic "Time Warp" for the upcoming"Rocky Horror" Glee show! The episode airs Oct. 26, right on time for Halloween!

The tribute will feature Finn (Cory Monteith) as Brad, Kurt (Chris Colfer) as Riff Raff and the return of Dr. Carl (John Stamos) as Meat Loaf’s Eddie!

OK! NEWS: GLEE-CAP — HEATHER MORRIS & NAYA RIVERA'S STEAMY DUET

Catch the clip below!