Quinn at a Train Station in the Glee Season 3 Finale, Episode 22: "Goodbye"
Last week, rumors began to fly that graduating senior Quinn (Dianna Agron) might not be back next year at all. However, it seems like actress Dianna still doesn’t know for sure. “I don't know all that is to come, but I know what a day like this means. [...] We just can't thank you enough. This has always been a very surreal experience. X” she tweeted on May 9.