'Grey's Anatomy' celebrates a huge milestone of reaching 300 episodes on November 9, 2017 with Season 14, Episode 7, ''Who Lives, Who Dies, Who Tells Your Story.' Watch some of the touching moments from seasons past including hospital romances, dark and twisty turns and the times when the characters needed to dance it out with their person. Relive the best moments from 300 episodes of 'Grey's Anatomy' in 300 seconds. Watch all-new episodes of Grey's Anatomy THURSDAYS 8|7c on ABC.