A CAR ACCIDENT ROCKS THE UPPER EAST SIDE — On the anniversary of Bart Bass death, Chuck (Ed Westwick) wrestles with an issue from the past and a serious car accident rocks the Upper East Side. Dan (Penn Badgley) and Vanessa (Jessica Szohr) attempt to navigate their newly complicated friendship. When Jenny (Taylor Momsen) is accused of beating up one of her classmates, Eric (guest star Connor Paolo) is faced with a tough dilemma. Blake Lively, Leighton Meester, Chace Crawford, Kelly Rutherford and Matthew Settle also star. Jason Ensler directed the episode written by executive producer Stephanie Savage (#312).