MONDAY, March 21
"GOSSIP GIRL" - (9:00-10:00 p.m. ET)
"Panic Roommate" (TV-14, D) (HDTV)
FLORENCE AND THE MACHINE PERFORMS / ANDREW MCCARTHY DIRECTS - Blair (Leighton Meester) enlists Nate's (Chace Crawford) help to win over her high-strung boss, Epperly (guest star Caitlin Fitzgerald), at W Magazine. Damien (guest star Kevin Zegers) stirs up more drama on the Upper East Side. Chuck (Ed Westwick) finds himself torn between business and pleasure. Florence and the Machine performs an acoustic version of "Cosmic Love." Blake Lively, Penn Badgley, Kelly Rutherford and Matthew Settle also star. Andrew McCarthy directed the episode written by Jake Coburn (#414).