MONDAY, APRIL 20
"GOSSIP GIRL" � (8:00-9:00 p.m. ET)
"Seder Anything" (TV-14, LS) (HDTV)
SERENA RETURNS FROM SPAIN � Serena (Blake Lively) returns from her trip to Spain with Poppy (guest star Tamara Feldman) and Gabriel (guest star Armie Hammer). Blair (Leighton Meester) makes a secret deal with Nate's (Chace Crawford) grandfather, William (guest star James Naughton), and Nate learns some disturbing information about his father's arrest. Dan (Penn Badgley) 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. Taylor Momsen, Ed Westwick, Kelly Rutherford and Matthew Settle also star. John Stephens directed the episode written by Amanda Lasher (#221).