Gossip Girl (2007): Season 2, Episode 21

2 - 21: Seder Anything

Serena returns from her trip to Spain with Poppy and Gabriel (guest star Armie Hammer). Blair makes a secret deal with Nate's grandfather, William (guest star James Naughton), and Nate learns some disturbing information about his father's arrest. Dan takes a job as a cater-waiter to earn money for college, but is distressed when he discovers the gig is a Passover seder at the Waldorf penthouse and several of his friends and family are guests.