Last Comic Standing is coming back for its sixth season starting this Thursday, May 22, at 9:30pm/8:30c.

This season a whole slew of great guest judges will participate including Angela Kinsey and Oscar Nuñez from The Office, George Wendt and John Ratzenberger from Cheers, and Lonny Ross and Keith Powell from 30 Rock.

To get in comedy mode and to see some behind the scenes clips of some of the comedians that auditioned for this season visit the official site: