While Christmas shopping at the mall, Doug loses his wallet and begins a quest to find the wallet and the culprit who may have stolen it. But with no help from Carrie or the cops, he requests the help of Arthur.
When George thinks back to the lousy Christmas presents from his mother, he gets worried since she drew Max for the family's "Secret Santa" presents. So as a backup, George buys Max a great present, only to find after he gives it to him that Benny has finally come through with a great present.
Mosquitoes hit the town hard and only Hank seems unaffected. Lacey finally gets a chance to participate in a genuine Dog River activity by contributing to the town's less than impressive time capsule. And Oscar goes back to work at Corner Gas which irritates Wanda, puzzles Emma and sends Brent running to the Ruby, where Lacey's new serve-yourself coffee carafes prove troublesome.
Tony disappears while doing an undercover operation as an escaped prisoner who is forced to stick to a convinct that owns a key to an expensive ancient Iraqi sculpture. The GPS locator that Abby planted on Tony stops working and the team is forced to find Tony before he gets murdered by the thief.
When Weevil's poker winnings go missing after a game at Logan's place, Veronica questions each player to piece together the evening's events and catch the thief. Meanwhile, on the eve of the Echolls' annual Christmas party extravaganza, Keith is hired by Lynn Echolls to track down one of her husband Aaron's potential stalkers.
Dr. House's approach is questioned when he treats a nun for what he believes to be an allergy, not realizing the nun's past is coming back to haunt her.
While investigating a murder, Sipowicz discovers a secret about Bale; and Ortiz and Murphy investigate a shooting tied to a talented up-and-coming basketball player.
Everyone is thrilled when Jimmy finally returns to school. Unfortunately for Spinner, Jimmy's return means revealing the truth about what happened that fateful day and dealing with the repercussions. Spinner deeply wants to redeem himself but how can he fully be forgiven for telling Rick that the prank was Jimmy's idea? Danny disapproves of the relationship between J.T. and Liberty.
Jim tangles with a department store Santa after the two are involved in a parking lot fender bender. Unfortunately, Jim's kids witness the skirmish and are fearful Santa won't leave them any gifts for Christmas.
When a woman is killed in what looks like a carjacking, the CSIs talk to her husband, the oldest of the three brothers who run their lucrative family business. However, when it is revealed that the victim had a gambling addiction that could have bankrupted the company, the team must follow the evidence to find the killer. Meanwhile, Alexx hires a recovering alcoholic as a body hauler and must investigate when he is accused of stealing from the dead.
President Roslin's fears that Commander Adama is a Cylon are stoked when she learns he's making secret wireless calls to other ships. Then, to make things worse, a single Cylon raider appears near the Galactica and begins acting strangely after being damaged in battle.
A year after their trip Ewan and Charlie take a look back at their adventure.
A sportscaster becomes a full-time dad when his ex-wife decides to accept a job out of the country and his teenage daughter, Breanna, moves in with him.
William surprises Joan with a romantic Christmas getaway in Puerto Rico, but they wind up stuck at a seedy motel after a blizzard strands them in Cincinnati during a layover. Meanwhile, Lynn, Maya and Toni take advantage of Joan's absence to enjoy the holiday at her house without all of her strict Christmas rules and other demanding behavior.
It's Fiona's birthday, and she's not going to forget it! While inspecting a possible Islamic terrorist safe house, they are kidnapped. With the threat of his son's, his wife's and Danny's life, Adam must choose who won't live to see another day, Fiona or Danny? The prime minister's life is in danger. Will MI5 give into the kidnappers demands? But then to everybody's surprise... Danny makes the ultimate sacrifice.
George Sr. fears he's losing Lucille to Oscar. Gob motivates Buster for the Army while Lindsay spends more time with Maeby to get closer to Steve Holt and Tobias starts working out.
Looking to give her life a purpose, Gabrielle decides to organize a glamorous Halston fashion show for charity highlighting the ladies of Wisteria Lane. Bree and Rex are at odds on how to punish Andrew for putting Mrs. Solis in the hospital and finding drugs in his room. The police investigate a toy chest that Paul Young dumped in the river. Lastly, Lynette uses her business acumen to poach a nanny, Claire, but ends up getting involved between her current employer, Alexis.
"We don't need to dream no more." -- Stringer Bell The wire begins to yield information about the Barksdale organization, though finding links to the top proves elusive. Stringer and Avon reflect on how far they've come, with each harboring plans for the future. Tipped by Burrell, Carcetti sees Amsterdam for himself and weighs the benefits against the political reality.