Watch Gossip Girl Season 4 Episode 21 online via TV Fanatic with over 5 options to watch the Gossip Girl S4E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.
Charlie is finally starting to feel less like a fish out of water. Blair is torn by the men in her life. Jack Bass' return to the Upper East Side sets off a chain of events.