Please Note:

· One time only on Monday May 24, an encore presentation of "Gossip Girl" and an encore presentation of "One Tree Hill" will switch timeslots. "Gossip Girl" will air at 8:00 p.m. ET and "One Tree Hill" will air at 9:00 p.m. ET.

MONDAY, MAY 24

"GOSSIP GIRL" - (8:00-9:00 p.m. ET)

"Reversals of Fortune" (TV-14, DL) (HDTV)

GOSSIP GIRL RETURNS! - As the summer is drawing to a close, Blair (Leighton Meester) and Chuck (Ed Westwick) are madly in love and adjusting to their new "in a relationship" status, breaking all traditional rules of dating as would be expected. Serena (Blake Lively) returns from her European adventure with many secrets to hide and a complicated relationship with Carter Baizen (guest star Sebastian Stan). Nate (Chace Crawford) returns from his travels with a mysterious brunette, Bree Buckley (guest star JoAnna Garcia) in tow. Rufus (Matthew Settle), Dan (Penn Badgley) and Jenny (Taylor Momsen) spent the summer in the Hamptons, adjusting to the van der Woodsen's glamorous lifestyle surprisingly faster than any of them expected. Jessica Szohr also stars. J. Miller Tobin directed the episode written by Joshua Safran (#301).