Gossip Girl

Aired 2010

Season four's main mystery revolves around Juliet Sharp, a secretive girl with an agenda against Serena involving her past. The second half of the season builds on the complications of Serena's new found relationship with her former teacher Colin, Chuck trying to regain control of Bass Industries from Russell Thorpe, and Dan and Blair's growing friendship. The season also focuses on Lily's past betrayals coming back to haunt her; Chuck and Blair's tumultuous relationship after their break up; Dan and Vanessa's deteriorating friendship; and the arrival of Serena's cousin Charlie Rhodes to the Upper East Side. By the end of the season, Blair has ignored Chuck, Dan has told Vanessa they are no longer friends, and Serena is on that single grind.

Aired 2011

The season began in Los Angeles when a re-energized Chuck and Nate decided to pay Serena a visit. Chuck has a newfound philosophy and says "yes" to everything, even death defying stunts. Serena continues to work on the movie set, and is offered a full-time job at the end of the episode. Nate begins an affair with an older woman, Diana Payne, who may have an ulterior motive for being with Nate. Back in New York, Dan learns that Vanessa has published one chapter of his novel, and Blair continues to plan her wedding to Louis, and she also learns she is pregnant. After realizing she still had feelings for Chuck, Blair and Chuck decide to go away together, but their car crashes. As a result of the crash Blair loses her baby, Chuck nearly dies, and Blair eventually marries Louis. The season also focuses on Nate running an online gossip site NYSpectator, Blair and Dan's friendship turning into a relationship, Chuck's quest to find his real parents which leads him to discover that his father, Bart, is still alive, and the effects of CeCe's death on Lily and her marriage to Rufus. At the end of the season, Blair makes a choice between Dan and Chuck, and Lily makes a choice between Rufus and Bart. Serena is seen leaving town while Dan decides to write a new book about the Upper East Side, with the help of Georgina.

Aired 2012

Serena has gone off the grid, beyond even the reach of Gossip Girl. Her friends fear for the worst and hope for the best, but even they can't imagine where they will ultimately find her. Meanwhile, Blair has offered Chuck her heart, but is her love enough to help him win back his empire? Lonely Boy Dan has written a new book that promises to make even more trouble than the first, and this time he has no desire to remain anonymous. Nate is determined to finally reveal the true identity of Gossip Girl, thereby making a name for The Spectator, and himself. Lily and Rufus turn on one another when Rufus makes a surprising new ally who threatens Lily and her family. Anywhere else it would be too much drama to handle, but this is the Upper East Side.