Naya Rivera, Amber Riley and Heather Morris

Whip out your dancing shoes and your disco duds because Glee is taking on the '70s.

In two new previews for the episode, airing Tuesday, April 17 at 8/7c on Fox, New Directions takes on The Trammps' "Disco Inferno" and the Bee Gees' "You Should Be Dancing." Check out the full performances below and hit the comments with your thoughts on Glee's disco fever: