Kim and Miguel are arrested and the police plan to take them back to LA. Tony questions Bob Warner at CTU and learns more about his government connections. Palmer discovers a traitor in his ranks when the journalist whom he was holding is set free. Nina pulls a deadly countermove, setting herself up as the main player in the search to locate the bomb.
Country singer Brad Paisley guest stars as Dana's new boyfriend, an amazing musician who can get Jim the gig of his dreams — once Andy is out of the way.
Nikki's catering job on a popular soap opera turns into an acting role when the soap's director witnesses her confront the soap's star hitting on Professor Oglevee. Meanwhile, Kim uses her mother's connections to get a part on the show.
Flex is excited to be spending Christmas with his current girlfriend Natalie, but quickly becomes jealous when his ex-wife Nicole comes over with her new boyfriend. Meanwhile Breanna exchanges kisses and gifts from both Josh and Arnaz.
When Mona and Dee Dee set Spencer up on blind date with a woman they met from the gym, Spencer falls for her hard and fast. But when Mona finds out the girl is only using Spencer to get back at her ex, she tries to warn him -- only he thinks Mona is jealous.
William agrees to dress as Santa Claus on Christmas Eve in the hopes of restoring Jabari's belief in Santa (something that seems to concern Joan just a little too much). However, Monica arranges for him to host the annual Christmas party for the senior partners and important clients on the same night, and pressures him to blow off Jabari and his friends. As they argue, Monica makes a startling revelation about the way the met. Meanwhile, Todd gives Toni a unique Christmas gift: a doll of herself, which has a bizarre effect on her.
The team investigates the death of a young model, whose body was found near a juvenile detention camp for girls. Across town, Delko and Speedle probe the bizarre death of a man who was apparently burned from the inside.
A toy from their childhood leads to a rift between Deacon and Doug. Meanwhile, Carrie tries to give her father a great Christmas gift, but this proves hard to do when everyone thinks of the wrong gifts they are receiving, altering their original gift choices.
Because Petunia feels too shy to decline a game with her friends, she invents an imaginary friend called Larry, which makes the others nervous. They invent their own imaginary friends to snap Petunia out of it.
After helping Petunia's doll, Melissa brags on about being heroic by making up parts of what actually happened, annoying Petunia. However Melissa is in a tight spot when she has retell the story to everyone.
When Jimmy lets Kim know that the studio has a two-week paternity leave policy -- that Greg's kept a secret -- she guilts Greg into taking them up on the offer. Though Mr. Savitsky thinks paternity leave is a joke and the policy was only put in the studio handbook under advisement from legal, Greg gets his two weeks off. On his first day at home, Greg finds out that Kim doesn't really have much of anything for him to do. While he begins missing work, Jimmy discovers that he'll lose his sick days if he doesn't use them by the end of the year, so he fakes illness and stays home with Greg and the women. Greg's worries that he's playing hooky aren't helped when Kim drags him to the movies, and he runs into Savitsky -- which makes him fear that the studio's headed for a financial trainwreck because he stayed home. Greg is even more worried when he pays a surprise visit to a company meeting during his leave, and finds a replacement in his chair and things going fine without him. After he com
Dr. John Becker goes through his daily routine of being a doctor, stopping at his favorite diner, and other various situations, all the while hating life and everything around him.
In the middle of the Christmas season, a mysterious Santa was robbing banks with a few helpers. Bobby tries to present a good image to the press but a determined reporter is eager to attack the FBI. Sue's relationship with her mother comes to a head when her parents stay over.
Advance Preview With Christmas a day away, Meg (Brittany Snow) and dance partner Jimmy Riley (guest star Jesse Hutch) are voted one of ""Bandstand's"" favorite couples landing them a date under the mistletoe for their first kiss, which hurts her budding relationship with Luke (guest star Jamie Elman). Meanwhile, JJ (Will Estes) receives an early Christmas present with his acceptance into the University of Notre Dame, which prompts him to reconsider his break-up with longtime girlfriend, Beth (Rachel Boston). Elsewhere, Jack's (Tom Verica) military expertise is called upon when a local boy serving in Vietnam goes missing and Henry (Jonathan Adams) looks for a raise during the store's holiday rush. R&B singing star Ashanti (""Foolish"") guest stars as 1960s pop sensation Dionne Warwick singing ""Walk on By"" on ""American Bandstand."" Gail O'Grady, Arlen Escarpeta, Ethan Dampf and Sarah Ramos also star.
Mike is horrified when Tricia gets involved with a racehorse trainer, and Vernon has a surprise visit from a long-lost sibling.
Bobby has been benched due to his erratic behavior, so Eugene must take his place as lead counsel in a controversial murder case. Meanwhile Lindsay defends a killer, against her own better judgement, and Jamie is placed in a compromising situation involving a judge
Jack meets Alliance counterintelligence head Ariana Kane, who is sent in to investigate Emily's disappearance and to discover who is trying to blackmail Sloane. Meanwhile, Marshall is sent on his first mission with Sydney as his partner. Vaughn schedules Will to take a CIA psych test. Francie gets suspicious over Sydney and Will's secretive behavior.
Hank is ordered to take an anger-management class after accidentally cutting one of Dale's fingers off. Dale claims it was retaliation for his causing Hank's kitchen floor to collapse.