Peyton shares some startling news with Lucas, who discovers that Julian has been keeping another secret about the movie. While searching for runaway Sam, Brooke is forced to confront her lingering feelings over her attack. Nathan struggles with his new professional environment.

This episode will see Chuck having a hard time dealing with his father’s death, and runs away to Bangkok before his uncle Jack Bass brings him back to New York and to a worried Blair. While Jack tells Lily he wants to be Chuck’s legal guardian, Chuck gets in trouble in school for smoking hash. Though headmistress Queller agrees to forget the whole incident if Chuck doesn’t smoke again, Chuck lights up a joint in the office.

Bree clashes with Alex’s mother (guest star Joanna Cassidy) for their sons’ affections. Gabrielle urges Carlos to take a six-figure job, even though it means spending more time away from home. Susan turns to Lee for company while Jackson is away. Lynette catches Preston talking to Porter on the phone. Meanwhile, Edie grows weary of Dave, whose strange behavior hasn’t abated.

Elizabeth’s illness & her uncle’s sacrifice cause a volatile & emotional confrontation between Kevin & Tommy that could make or break their relationship as brothers; Saul reintroduces a high school crush to Nora; Justin finally decides to leave the nest. Kitty prepares for her upcoming promotional tour for her book by doing mock interviews with some of Robert’s employees.

A convicted murderer convinces Jane to help prove his innocence by telling Jane that he’ll give him information on Red John. Jane quits CBI to devote all of his time to getting him released.

The team re-investigates the 2007 murder of a mechanic who won $8 million in the lottery.

A CIA agent who’s gone over to the other side plays a game of Baccarat with Jonas and if Jonas wins the man will help out on their current mission. The team is working with the CIA and their success may have implications to one of their own who is in trouble.

In an episode featuring songs by Frank Sinatra, the team re-opens the 1960 murder of an airline stewardess whose remains are found in an old hotel.

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Nathan and Peter face off, and Nathan makes a move with devastating consequences. Sylar takes desperate measures at Primatech and the fates of several heroes hang in the balance. Ando, Matt, and Daphne continue their quest to save Hiro.

Michael recieves medical attention. Charles Westmoreland helps uncover the real secrets of Scylla. Lincoln and Sucre do everything in their power to retrieve Scylla before it’s gone forever

Sarah’s continued obsession with the three dots leads her to a blogger with intimate knowledge of the symbol. Meanwhile, Riley and Cameron face off.

Penny informs Sheldon that she intends to give gifts to him and Leonard on Christmas which happens to be around the corner. After considerable debate with Penny, Sheldon agrees to also give a gift to Penny on Christmas.

The CSIs investigate the murder of a neighborhood do-gooder who was known on the streets as Reverend Mike for his work trying to keep kids out of gangs.

A gunman holds the team hostage on Christmas Eve.