A promo for episode thirteen of The CW's teen drama series "Gossip Girl" has been released. As can be seen on the promo video posted below, the episode will have something to do with the past and the truth that cannot be changed.
The next episode entitled "O Brother, Where Bart Thou" itself focuses on a sudden tragedy. The tragic event will have big impact to the Upper East Side teens as well as their parents' lives and Chuck Bass, played by Ed Westwick, knows something about the tragedy.
Starring Blake Lively, Leighton Meester, and Penn Badgley as Serena van der Woodsen, Blair Waldorf, and Dan Humphrey respectively, "O Brother, Where Bart Thou" is scheduled to air on December 8 at 8/7c on The CW network.