Darren Criss and Damian McGinty Take You Behind-the-Scenes of “Yes/No” (Video)

Thank goodness “Glee” finally returns next week, and from what we hear, it’s a BIG episode.

If you’ve seen the pictures we’ve been posting from the winter premiere episode, “Yes/No,” then you already know there’s going to be a Grease number and a song sung at the swimming pool. It’s also the episode when Will (Matthew Morrison) finally pops the question to Ms. Pillsbury (Jayma Mays).

Want even more scoop on the episode? Check out a behind-the-scenes featurette featuring Darren Criss and Damian McGinty below and click inside for more spoilers…

“Glee” returns Tuesday, January 17 at 8pm.

WARNING: SPOILERS!!

Entertainment Weekly has posted some great spoilers for the episode. Check some of them out below.

-The episode opens with Sam and Mercedes taking lead on “Summer Lovin’” from Grease; Santana and Kurt, naturally, both take on the catty Rizzo portions.

-Helen Mirren voices the internal monologue of one of the characters

-Emma sings “Marry Me Will” with back-up assistance from Beiste and Sue

-NeNe Leakes from The Real Housewives of Atlanta makes her first appearance as the swim team coach Roz Washington.

-Expect to see Chord Overstreet in a swimsuit

-Finn contemplates joining the army which brings up a secret from his past and the return of his mom and Burt Hummel.

-The boys of New Directions’ take on Maroon 5′s “Moves Like Jagger.”

-Will is in a tank top

-The entire cast is involved in a climactic version of Rihanna’s “We Found Love”

-The final minutes have a HUGE, GIANT, PLOT TWIST.

To read even more spoilers, go here.