Tonight we will see the finish of the 6th HoH competition that began on the last episode on 31 July. Two new HoH's will be crowned tonight. The 6th Nomination ceremony of the season will be conducted where each of the 2 HoH's will nominate two houseguests each for eviction. Those 4 houseguests will then compete as teams of two against each other in the 6th "Battle of the Block" competition of the summer. The winning team will be removed from the block and be safe from eviction for the week in case someone uses the Veto on another houseguest on the block. This also in turn dethrones the HoH that put those two houseguests up for eviction.

The family travels to a local orphanage, where Kim becomes close with a young girl. Brandon and Brody work to improve Khloe's mood.

After picking up a distress call near Jamaica, Chandler and a small team stage a rescue attempt. But a surprise attack leave Chandler and Tex stranded at sea. Slattery and the crew search desperately to find their lost at sea Captain and his comrade, hoping to do so before their enemies beat them to it.

The chefs are challenged to produce comfort food using no more then five pounds of ingredients. Then they have to prepare a unusual noodle dish, before having to shop together to prepare their final dish.

Eric, Pam and Mr. Gus close in on Sarah in Dallas; Adilyn and Wade find a temporary refuge; Sookie searches for a miracle; Bill remembers his past marriage; a familiar face resurfaces in Bon Temps; Sam faces a dilemma.

Reddick digs deeper as Linden and Holder struggle to keep their investigation from going cold.

Carrie conducts an investigation off the books when Al becomes the prime suspect in the murder of a parolee he helped put away.

With her investigation in full swing, Kate zeroes in on Mickey. Meanwhile, the appearance of Tiny, a former member of Sully's gang, jeopardizes Ed Cochran's career. Plus, Mr. Keith sends Mickey to work at a Mexican restaurant, Abby meets a new friend at the gun range and Bunchy encounters a potential love interest at the bike shop where he has gotten a job.

Langham observes Masters and Johnson exiting a hotel room and shares his suspicions with DePaul, who is forced to make plans for her work without Virginia's involvement. Meanwhile, Betty attempts to conceal her infertility from Gene; and Masters tries to bring Johnson aboard as his assistant only to be thwarted by the head of the hospital, who takes a prurient interest in Masters' study.

Roy agrees to represent his ex-wife's fiancé in a disputed property deal which may have resulted in murder. Meanwhile, Jamie awaits the results of Lee Anne's drug test.

Nora takes care of unfinished business in Mapleton before heading to New York for the Second Annual DROP (Departure Related Occupations and Practices) conference. Upset that her ID has been pinched, she scours the convention for her imposter while wearing a "Guest" badge, and ends up getting detoured by an amorous salesman, a bestselling author and a rogue attendee.

Gordon and Joe prepare to transport the Giant; a suspicious defect causes a rift in the partnership.

A special shipment of the first sample of plutonium arrives at The Hill - one that could change everything. With the future of his team up in the air, Frank knows that having some of the precious material could make all the difference. As Frank desperately tries to keep his team alive, he learns that Liao has been detained by a covert outside party. Meanwhile, Liza helps Abby find creative ways to survive life on The Hill. As the wives grow closer, competition escalates between Frank and Charlie in the lab.

A secret autopsy demonstrates the bizarre progression of the mystery virus, prompting Jim to make a startling confession. Eph and Nora race to find the father of the youngest victim of the plane tragedy, but someone unexpected beats them to it. Ansel, in the grip of disease, takes desperate measures to protect his family.

Vanessa, Darius, and President Westwood deal with the hostage crisis. Alison and James make a strange discovery after testing Kyle that may lead to more questions than answers. The world reacts to news of the lottery as the U.S. government prepares to open the testing centers.

Two survivalists are dropped on a deserted Dominica beach. Will surviving in the barren tropical terrain be too great a challenge for the survivalists? Will they make it together, or will one have to survive in the tropical nightmare alone?

Lexi emerges more powerful and ruthless than ever. Tom and the 2nd Mass must work together with the Volm to hold off the invading Espheni forces in what becomes the bloodiest battle of the series.

The battle royal with Mother Nature continues as the Ice Road Truckers fight through the storm of the century. Art, Todd, and Lisa press their luck on ice that is buckling under the weight of heavy snow. As conditions deteriorate, Alex is left running on fumes and in desperate need of a lifeline. Darrell goes toe-to-toe with his boss in a fight that'll be a game changer on the winter roads.

John talks about Uganda's anti-gay laws, the CIA's recent report on their use of torture, the New York Port Authority, Argentina's default on debt and native advertising.

Bear Grylls deals with Wild Things; Dr. Ryan Stone calls a radio station; Brainy Smurf manipulates events; and Baloo discovers his roots.