Some spoilers on the four upcoming Episodes from Season 2. PART 2

THE DARK NIGHT

CHUCK LOSES HIS MOJO

Serena (Blake Lively) and Dan (Penn Badgley) are forced to deal with their unspoken problems while trapped in an elevator during a citywide blackout. In a humorous twist, Blair (Leighton Meester) questions the lack of passion in her relationship with Marcus (guest star Patrick Heusinger), while at the same time Chuck (Ed Westwick)appears to have lost his passion for any woman other than Blair. Meanwhile, Nate (Chace Crawford) struggles between his feelings for Vanessa (Jessica Szohr) and his more-complicated-by-the-day relationship with Catherine (guest star Madchen Amick). Jenny (Taylor Momsen) risks losing her internship when Eleanor (Margaret Colin) catches Jenny critiquing one of the Eleanor Waldorf designs. Matthew Settle also stars.

THE EX FILES

Blair and her "court" interview different girls in order to decide if they'll be included in their little private group. At school, Dan runs into new student Amanda. They bond over their passion for books. Blair and her friends warn Amanda that hooking up with Dan could be dangerous for her health, socially, emotionally and physically. Blair then tells Amanda that she should join her group. Dan, Amanda and Serena meet up later that night. Dan and Amanda continue to bond. Serena won't be alone for long since Penelope will introduce Serena to Jenns, the Abercrombie-Fitch-type captain of the Dalton Lacrosse team. Vanessa wants to have a chat with The Duchess