Episode Summary: On the anniversary of Bart Bass' death, Chuck wrestles with an issue from the past and a serious car accident rocks the Upper East Side. Dan and Vanessa attempt to navigate their newly complicated friendship. When Jenny is accused of beating up one of her classmates, Eric 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.