The final two teams go to each other's hometowns and meet each other's parents. Later, the contestants are shocked to discover that a major twist has the final showdown be something completely unexpected.

Booth and Brennan investigate a mall Santa named Kris Kringle who was found dead by two elves. A series of clues makes the murdered mall Santa seem like he's the real deal.

Under Cuddys pressure to choose his team, House gives the candidates a case of a former punk rock star who is a drug user. Whoever diagnoses the patient is going to have a future as a member of Houses team.

While trying to track down a delusional and violent Marine who thinks he's still in Iraq, the NCIS team will learn that the man has been the subject of a secret experiment - and it comes with a high price to pay.

The three surviving contestants, Melanie Brown, Marie Osmond and Helio Castroneves compete for the championship. Guest Celine Dion performs "My Heart Will Go On" and "Taking Chances".

The viewers will choose this week's challenge for the seven remaining contestants.

Ben's mother and grandmother stop by the Work Bench for some supplies for their family reunion. However, things go sour when the grandmother accuses Sam of being evil and calls him Diablo. Meanwhile, Sam meets a lady who has been the Devil's girlfriend for over twenty years and wonders if it's a good idea to give her suggestions on her love life.

Mike Rowe gets dirty with a team of airport runway painters in Kansas City.



Then he examines dirty diapers at a preschool to find bad smells to be taken to a company called Microanalytics in Austin, Texas.



Finally, he teams up with a group of spray insulation technicians in Louisiana.

When the paternity of a missing young boy is placed into question, Stabler wonders if he really is the father of Kathy's child. Later, Stabler faces the possibility of losing not only his partner but also Kathy and the baby when she and Benson are in an accident.

A patient inspires Sean to take his relationship with Kate in a new direction. Eden uses extreme methods to persuade Christian to perform surgery on a friend. Kimber reaches out to an former business associate when she and Matt fall on hard times.

In Montenegro, Bob has a moral dilemma when he disagrees with the team's mission.



Tiffy discovers some information about Molly's past and decides to look into it further.

Alex heads to the Caribbean for a gambling trip with Ramon and his crew. He begins to become more comfortable with the Cuban gangsters until violence breaks out.

Have planet hunters finally found proof of other Earthlike worlds? Astronomers have now discovered over two hundred alien worlds, beyond our solar system, that were unknown just a decade ago

Ichigo and the others break into Las Noches successfully. However, they immediately are thrown off course when Nell falls into an old abandoned tunnel and forces the others to go in after her. When they get out, they are then forced to split and each go down separate hallways. Meanwhile, Orihime is taken to see Aizen.