VIDEO: GLEE Cast Talks 'Katy Or a Gaga' Episode

On this week's episode of Glee titled 'A Lady or a Gaga', the members of New Directions tackle their assignment of getting out of their comfort zones and determining whether they're more like "Katy" (Perry) or (Lady) "Gaga." Below, watch as the Glee cast previews the exciting episode!

Also on the episode, Kurt holds auditions for his new band and must decide if he'll let in the overly bold performer, Starchild (guest star Adam Lambert). Meanwhile, Jake gets closer to Bree (Erinn Westbrook) as he and Marley grow apart.

The cast includes Matthew Morrison as Will Schuester; Lea Michele as Rachel Berry; Chris Colfer as Kurt Hummel; Kevin McHale as Artie; Jenna Ushkowitz as Tina; Naya Rivera as SantAna Lopez; Darren Criss as Blaine Anderson;Chord Overstreet as Sam Evans; Jacob Artist as Jake Puckerman; Melissa Benoist as Marley Rose; Becca Tobin as Kitty Wilde; Alex Newell as Wade "Unique" Adams; Blake Jenner as Ryder Lynn; and Lauren Potter as Becky Jackson.

Guest cast includes Demi Lovato as Dani; Adam Lambert as Elliot "Starchild" Gilbert; Erinn Westbrook as Bree; andPhoebe Strole as Penny Owen.

The episode airs Thursday, November 7 at 9:00-10:00 PM ET/PT on FOX.