<Tr> <Th_colspan="2"> Season chronology </Th> </Tr> <Tr> <Td_colspan="2"> ← Previous Season 5 </Td> </Tr> <P> The sixth and final season of Gossip Girl, an American teen drama based upon the book series by Cecily von Ziegesar and developed for television by Josh Schwartz and Stephanie Savage, aired between October 8 and December 17, 2012 . The CW officially renewed the series for a sixth season on May 11, 2012 . The series consisted of 10 episodes with a special retrospective, which was the shortest of all seasons . </P> <Ul> <Li> Blake Lively as Serena van der Woodsen </Li> <Li> Leighton Meester as Blair Waldorf </Li> <Li> Penn Badgley as Dan Humphrey </Li> <Li> Chace Crawford as Nate Archibald </Li> <Li> Ed Westwick as Chuck Bass </Li> <Li> Kaylee DeFer as Ivy Dickens </Li> <Li> Kelly Rutherford as Lily Humphrey </Li> <Li> Matthew Settle as Rufus Humphrey </Li> <Li> Kristen Bell as Gossip Girl (Uncredited) </Li> </Ul>

How many episodes in gossip girl season 6