Dianna Agron Returns to "Glee" in "Thanksgiving" Episode

GLEE: Kurt (Chris Colfer, R) invites Isabelle (guest star Sarah Jessica Parker, L) over for Thanksgiving in New York in the "Thanksgiving" episode of GLEE airing Thursday, Nov. 29 (9:00-10:00 PM ET/PT) on FOX. ©2012 Fox Broadcasting Co. Cr: Jordin Althaus/FOX