Must-See Glee Sneak Peek! Jesse St. James and Rachel Berry Reunite in "Prom Queen"

full size

Lea Michele and Jonathan Groff on Set of Glee Season 1 Finale "Journey"

This week’s “Prom Queen” promises to be Glee’s biggest episode of the season — and that’s not even taking into account Jonathan Groff’s much-teased return as Jesse St. James!

In this clip, exclusive to TVLine, Jesse apologizes to Rachel (Lea Michele) for being the worst boyfriend ever during Season 1, right before popping the big prom question. Holler! Here’s hoping this leads into their awesome cover of Adele’s “Rolling in the Deep.”