Mr. Schuester's former high school nemesis, Bryan Ryan (guest estrella Harris), causes trouble for the glee club. Meanwhile, Rachel struggles with a life-long personal issue, and Artie's dreams take him on an adventure
SparsileStars' Lisa teaches tu the dance steps that were featured on FOX's hit show, Glee, to the mashup of Adele's songs "Rumour Has It / Someone Like You."