Glee is almost back from it's hiatus! After airing its emotional Cory Monteith (Finn) tribute, Season 5, Episode 3: “The Quarterback,” on October 10, the show is took month-long break. Now, this Thursday, November 7, it will be back in action, with this brand new episode featuring the music of two of the most colorful and boundary-pushing pop artists today — Katy Perry and Lady Gaga.

Season 5, Episode 4: “A Katy or a Gaga” will feature a Katy Perry vs. Lady Gaga showdown. Here's a look at what you can expect to see.

Synopsis of Glee Season 5, Episode 4: “A Katy or a Gaga”

Your basic summary of what to expect.

- Glee Season 5: [Spoiler]’s Shirtless — “Mind-Blowing” Lady Gaga Song (PHOTO)

We live for the idea of Glee covering Gaga’s “Applause.”

Glee Season 5 Spoiler Photo: Jungle for Katy Perry’s Song, “Roar”!

Oh, and speaking of shirtless guys...

Glee Season 5 Spoilers: See THESE Two Girls Dressed as Katy Perry!

We love their bright pink and purple hair!

Glee Season 5 Spoilers: Is Sam's Love Interest, Nurse Penny, Coming Back?

These two need a mashup name. Samny? Pem? Hm.

Spoiler Roundup: Adam Lambert on Glee Season 5 — Meet Starchild!

The former American Idol will make his big Glee debut!

Lots of familiar faces return!

Darren Criss Hugs Glee's Lauren Potter on Set — And It's Adorable! (PHOTO)

Her suspension is over, and Becky (Lauren Potter) is back at McKinley.

Glee Season 5: [Spoiler] and Mercedes Are Back in Episode 4

We wonder what these two might be up to this time!

Amber Riley Working on Glee and Dancing With the Stars at the Same Time! (PHOTOS)

Does this girl never sleep? We don’t know how she does it.

Music

Glee Music Spoilers! Song List: Season 5, Episode 4“A Katy or a Gaga”

Song list:

- Katy Perry’s “Roar,” performed by the New Directions, Rachel (Lea Michele), Santana (Naya Rivera), Kurt (Chris Colfer), Dani (Demi Lovato), and Starchild (Adam Lambert’s character)

- Lady Gaga’s “Applause,” performed by Sam (Chord Overstreet), Marley (Melissa Benoist), Artie (Kevin McHale), Ryder (Blake Jenner), and Blaine (Darren Criss)

- Katy Perry’s “Wide Awake,” performed by Tina (Jenna Ushkowitz), Unique (Alex Newell), Jake (Jacob Artist), and Kitty (Becca Tobin)

- Lady Gaga’s “Marry the Night,” performed by Starchild — Listen to the full song here!




Videos


Glee Promo: In-Depth Analysis of Season 5, Episode 4: “A Katy or a Gaga”

We're breaking it down: Second by second, frame by frame, in search of clues. Here's a look at what we've discovered.