VIDEO: Jonathan Groff Returns to GLEE in New Promo!

FOX's hit musical dramedy series GLEE arrives at its conclusion at the end of the current Season Six in only a few short weeks, and the network has just released a new teaser for next week's episode. Check it out below!

In next week's episode, "We Built This GLEE Club," New Directions and the Warblers go head-to-head at sectionals. Meanwhile, Rachel must choose between returning to NYADA and doing another Broadway show with her past love, Jesse St. James (guest star Jonathan Groff), in the all-new "We Built This GLEE Club" episode of GLEE airing Friday, March 13th on FOX, 9:00-10:00 PM ET /PT.