Jenna Ushkowitz (Tina) and Harry Shum, Jr. (Mike/Other Asian) talk about their duet and Harry's first "break out" performance on Glee. Kevin McHale (Artie) and Heather Morris (Brittany) rave about the duet. Can't get enough? Here's a sneak peek of Chord Overstreet (Sam) and Dianna Agron (Quinn)'s duet, Jason Mraz and Colbie Caillat's "Lucky!" You can preview the other duets on JSYK.com.
Which duet was your favorite? Spill below after you watch Glee on ETC at 4pm this afternoon with a primetime airing at 9pm on ETC and Jack TV.