Question: grey's anatomy what season does lexie die?
Answer: Lexie Grey dies after a fatal plane crash involving Lexie, Derek, Meredith, Mark, Cristina and Arizona. Watch this classic Grey's Anatomy scene from Season 8, Episode 24: Flight to see Mark's final goodbye to "Little Grey" and Meredith's breakdown after she learns the news. Don't miss all-new episodes THURSDAYS 8|7c!