Glee Season 3 Episode 20 (05/15/12)
After fighting with Rachel about solos at Nationals, Tina goes to the mall to collect supplies for the New Directions' costumes for Nationals. While there, she falls into a fountain and hits her head, which causes her to see herself as Rachel Berry while the rest of the group's members have also switched places. When Kurt and Blaine pull Tina out of the fountain, Tina has had a change of heart about Rachel and Rachel's attitude. She decides to accompany Rachel on a road trip to invite Carmen Tibideaux (guest star Whoopi Goldberg) to the New Directions' performance in Chicago.
Mercedes, Santana, and Brittany confront Coach Beiste about her abusive relationship with Cooter. They know she didn't leave him like she said. She tells them that people deserve second chances. Meanwhile, Puck has gotten into a fight with the hockey team. Beiste stops the fight and Puck has a breakdown. Later, Beiste tells Cooter she's leaving him.