Glee Season 1 Episode 19 : Dream On
Will's high school nemesis, Bryan Ryan, causes trouble for the glee club, announcing his intent to cut them from the district budget. He and Will compete for a role in a local production of Les Misérables, and when Will is awarded the lead role, he gives it to Bryan to save the club. Vocal Adrenaline coach Shelby, first seen in "Hell-O", is revealed to be Rachel's biological mother. Tina gives Artie false hope that he may one day walk again, temporarily straining their relationship. With guidance from Emma, Artie begins to accept his physical condition.