Glee

In her audition for the role, Lea Michele sang "On My Own" from Les Miserables. However, the pianist cut the second verse without telling her. She stopped singing and told him "We have to go back and do the verse!" The writers laughed, and later said she definitely had the Rachel role down.

Several times during filming they had to stop rolling to tell Kevin McHale to stop tapping his feet to the beat of the music.

Shortly after Cory Monteith died, Ryan Murphy revealed that the writers were forced to changed their original final image for the show, because this was Rachel (as a huge Broadway star) and Finn (as a McKinley professor) reunited after years apart. Rachel mentions this dream to Mr. Schuester.