A cyborg with a human mercenary's brain is sent by General Cross to destroy a nuclear wast plant in North Korea. Charlie defeats the cyborg and sends it to Mr. Hall but to his dismay the super-human soldier isn't completely destroyed.

A patient with both male and female DNA has the team stumped. Meanwhile, House starts acting nicely, raising Cuddy's and Wilson's suspicions that something is terribly wrong.

Kyle deals with Jessi's announcement and jealousy over Nate, and Josh reels from Andy's news. Meanwhile, Kyle - still suspicous of Cassidy - makes a plan to expose him.

Chuck and Morgan's friendship is put to a test, when Anna and her new friend find Morgan spying on them.

After making one too many blonde jokes, Davis is forced to take some sensitivity training, but it doesn't take; Hank's superstitions come under fire; Wanda finds out the hard way just how much Emma does around Dog River.

Yasir says he is too busy to attend a marriage workshop with Sarah but soon comes to regret his decision.

Adrian wants to mix things up a bit and tries to change her look, Jack is still bringing out his thoughtful side by raising money, and Anne might soon be off the unemployment list.

Clips include a mishap with an ATV; a fiery fuel transfer accident; a high speed crash of a race boat; and a base jumper lands in a waterfall.

The 15 roseless women return, including Jillian, the second runner-up, to discuss all their experiences on the series, along with giving their opinions on the Mellisa vs. Molly finals. Also, Jason and some of the bachelorettes will be put on the hot seat; profiles of Mellisa and Molly are given; along with a preview of the upcoming finals. Plus, an update of the 2003 series finalists Trista Rehn and Ryan Sutter, who married after meeting on the Bachelorette; and 2005 Bachelor Charlie O'Connell and the woman of his choice, Sarah Brice.

Rita gets a promotion at work and makes the tough decision that she will have to quit the band to keep up with her hectic schedule. But when Jay and the girls start noticing that Rita isn't the same without her music, they try to get her to prioritize.

Jack and Renee track a lead to Dubaku's unsuspecting girlfriend, who, after learning of his true motives, agrees to help lead them to Dubaku before he flees the country. Meanwhile, Chloe O'Brian is brought in to the FBI to run tactical, but her progress is thwarted by a mole inside the agency. President Taylor is stunned to hear that her husband has been shot and is escorted to the hospital by Bill. She requests that her daughter be brought in, a task which Bill delegates to an old friend.

Both Brenda and Fritz's jobs threaten to interfere with their wedding when Brenda investigates a date-for-hire murder and Fritz attempts to bring down a drug kingpin. Desperately trying to keep the wedding from coming apart at the seams, Claire and Brenda's parents team up to hold it all together.

HRG and Matt get thrust into a series of mind games to uncover the truth about Nathan's plans. Peter gets to meet The Hunter in person.

Clips include an explosion in a fireworks factory; a car crashes into a restaurant; a daredevil has an accident aboard his motorcycle; and a speedboat crashes at top speed.

Hoping to follow in the footsteps of MAC Cosmetics' first Viva Glam girl, RuPaul, the queens make their own Viva Glam screen test. Jenny Shimizu joins the panel to help judge the girls' drag queen status.

Allison wakes up under a freeway overpass, not knowing where she is or how she got there. Her lack of recent memory causes her to start thinking she may have killed someone with her car.

Coming Soon...

Production comes to a grinding halt when a client decides to rethink the campaign. Conner puts jobs on the line when he chooses to continue production with overconfidence in his ability to convince the client to move forward with the commercial.

To celebrate her birthday, Sarah tries to go back to the way things were when she attempts to reconcile with her ex-husband.

Already worried about losing his job, Tony receives some unexpected news about his daughter which sends him reeling.

Temptation is the name of the game this week as the gang heads to Miami for some New Year's fun in the sun. Allie feels heat with a colleague during an intense modeling shoot, sending boyfriend Adam into fits of jealousy. Meanwhile, Whitney worries when Jay's old flame warns her that he may not be being honest with her.

Bear provides a guide on how to survive some of the most extreme conditions in the world.

Anthony takes a stroll to the old, classic restaurants which have been struggling to survive in the city's ever-changing landscape.

Founder of Amazon.com Jeff Bezos

Tonight Stephen welcomes the chief scientific advisor for chemistry.com, anthropology professor and author of Why Him? Why Her?: Finding Real Love By Understanding Your Personality Type, Helen Fisher.

What do you get when you mix too much alcohol with sex? A one night stand! It would almost be crazy, or somehow forgettable if it wasn't our favourite Rafter involved. That's right - It's Ben! Maybe there's some residual stress left over after the robbery and he still has not dealt with it honestly? Maybe he was truly so intoxicated that he didn't know what he was doing? Who knows? But no excuse can take away the act. So once again Ben faces a gut wrenching dilemma, but this time its one of his own making. This week sees Dave keen to spice up his marriage, so he organises a rather romantic rendezvous with Julie. Whereas at the other end of the spectrum Sammy and Nathan's marriage hits a "rocky patch" when Nathan discovers Sammy has been lying to him. Just another week in the Rafter household really.

Urahara and Hiyori head to the Maggot's Nest prison, which houses former members of the 13 Protection Squad's deemed dangerous to Soul Society. Once they arrive Urahara goes to see the most dangerous inmate, Kurotsuchi Mayuri. He asks Mayuri to join his new organization the Technological Research Bureau as his Lieutenant. Meanwhile, Byakuya meets with his grandfather and Yoruichi whilst Ukitake tries to persuade Shiba Kaien to become his vice-captain. Also Aizen meets Ichimaru Gin for the first time.

Joseph dreads Jac's impending announcement, certain she is going to reveal details of their night together. Frankie's father confronts Connie when he discovers he has to pay for his son's operation, and Chrissie returns to work as an agency nurse on the private ward. Mark and Rachel worry about Daisha when she fails to arrive for her shift and neither she nor Joe is anywhere to be found.

The series takes a look at how the human body clock works and why certain things are more likely to happen at different times of the day.