Gossip Girl - Season 1 - Eps 6: The Handmaiden's Tale
Dan finds himself between two girls when his childhood friend, Vanessa, returns to N.Y. and declares her feelings for him, just as he and Serena are trying to figure out what they mean to each other. At the masked ball, Blair sends Nate on a scavenger hunt, but Nate is distracted by his feelings for Serena. Although Blair said that outsiders were not welcome to the party, a disguised Jenny and Dan sneak into the ball. Finally, Lily asks Rufus to accompany her to an Eleanor Waldorf event only to make Bart Bass jealous.
About Gossip Girl

Title: Gossip Girl
First Air Date: 2007-09-19
Last Air Date: 2012-12-17
Status: Ended
Rating: 8.202/10 (from 2159 votes)
Language: EN
Seasons: 7
Total Episodes: 121
Network: The CW
Genres: Drama, Mystery
Production Companies: Warner Bros. Television, Alloy Entertainment, Fake Empire Productions, CBS Studios
Synopsis
An exclusive group of privileged teens from a posh prep school on Manhattan's Upper East Side whose lives revolve around the blog of the all-knowing albeit ultra-secretive Gossip Girl.
Cast

Blake Lively
Serena van der Woodsen

Leighton Meester
Blair Waldorf

Penn Badgley
Dan Humphrey

Chace Crawford
Nate Archibald

Ed Westwick
Chuck Bass

Kaylee DeFer
Ivy Dickens

Kelly Rutherford
Lily van der Woodsen

Matthew Settle
Rufus Humphrey