Here, How to Succeed's Darren Criss and "Glee Project" winner Damian McGinty talk about shooting "Summer Lovin'," which will be seen in the new episode. Also, Fox offers a first look at the mashup performance of "Moves Like Jagger" and "Jumpin' Jack."

Here's how Fox describes the "Yes / No" episode: "When Will (Matthew Morrison) tries to plan a special surprise for Emma (Jayma Mays), he enlists the glee club to help him sweep her off her feet. Meanwhile, Becky (Lauren Potter) sets her sights on Artie (Kevin McHale), and Finn (Cory Monteith) makes an announcement about his life plans after high school that surprises the glee club."

"Glee" airs Tuesday nights on Fox at 8 PM ET.

To watch the behind-the-scenes action on "Glee," look below:

To watch the mashup of "Moves Like Jagger" and "Jumpin' Jack," look below: