While Sheldon is in Texas, the rest of the gang realizes how much he has changed their lives as they decorate the apartment Christmas tree.
Six remaining designers are whisked away by helicopter to QVC's headquarters in Pennsylvania where they're challenged to design a stunning red carpet gown. Mondo Guerra, QVC's Lisa Robertson, and actress Elisabeth Moss are guest judges.
When a hedge fund manager who was also running a Ponzi scheme is murdered, Holmes and Watson must determine which of his clients is guilty. Also, Sherlock contemplates sponsoring a fellow recovering addict.
A new class of wardens train for the most demanding part of their job: search and rescues. On the Appalachian Trail a hiker vanishes and the wardens lead one of largest search and rescue operations in Maine's history to find her.
The guys get eaten alive leading a business luncheon, and trip over their own feet selling running shoes.
When John finds himself in a dangerous situation, Stephen is unable to help without revealing himself to Ultra. Not satisfied with the answer he has discovered about his father's disappearance, Stephen decides to take drastic measures with the help of his fellow Tomorrow People to find out the truth. Meanwhile, Cara and Russell negotiate a trade with Jedikiah, which ultimately makes Jedikiah take a big risk.
Frank goes back to NY to settle things with Aldo, with two unsuspected local friends.
Ben's quest to procure Emma the hottest toy of the Christmas season creates ill will Tucker and Riley help Bonnie with holiday decorating.
Axl wants to spend time with his friends when he comes home for Christmas. Sue's allergies threaten to ruin her holiday and Brick's lie is uncovered.
The chefs must make dishes that remind them of home Actor Anthony Mackie joins the judges.
A Peace Corps volunteer traveling to Burkina Faso suddenly suffers from excruciating bouts of nausea and diarrhea from Entamoeba histolytica, and must find medical help before it is too late a young woman almost suffocates due to hantavirus pulmonary syndrome she got from breathing dust while cleaning up contaminated with mouse feces an -month-old boy gets infected with Baylisascaris procyonis worms which cause his brain to swell and have neurological damage, eye fluttering, and unresponsiveness.
Mel's sister, Meredith Jaime Pressly, comes home from prison on furlough to celebrate Christmas with the kids and Mel, and seems unruffled by Joe's obvious animosity towards her. Note: this episode is a Christmas special and was only put in after EP because it was near Christmas. Episode ends on a cliff hanger and is continued in episode .
It's Joe's th birthday and he's never flown a helicopter before. So Mikey plans a special gift of chopper flight lessons, complete with surprise pickup in front of the Buffalo hangar. Mikey jumps in for the ride as Joe struggles with the unfamiliar beast and both McBryans will learn if they've finally found an aircraft that Joe can't master. Another cold snap has cut off heat and power in a small northern town. AJ and James battle a frozen engine before they can head up with a load of supplies. On the way home, an engine fire forces the crew into an emergency shutdown.
When a man is found murdered at an elaborate holiday party complete with real snow and live reindeer, the CSI team is brought in to investigate.
Bugsy reveals a plan that will transform the city Bugsy uses violence to prove a point the police force scours the city for leads Jasmine struggles to stay out of harm's way.
Jake crosses paths with a familiar hot headed cop, Jimmy O?Rourke (Scott Grimes), while chasing a super hacker; Mal and Rose negotiate their way to a windfall; Des becomes apprenticed to a slick new Master.
When the BAU is called to Kansas City to investigate a series of murders, a tense reunion ensues between Blake and her father, a retired police captain, and her brother, a detective, who must work together to help solve the crime.