Among the items the sharks are shown includes a new lifesaving idea, a new way to learn, and burgeoning gourmet food business.

Tawni has a crush on the new intern and enlists Sonny to teach her how to act "normal" to impress him. After a slew of unfortunate events, Sonny must use her resources to help save their date. Meanwhile, Nico and Grady attempt to get a sandwich named after them.

The sixth round of nominations are held for eviction.

Nick's band hits a roadblock when all of their gear is stolen moments before their debut gig. Meanwhile Shannon convinces Gene to be social and attend a dinner party that unknowingly has another agenda.

While Gene is in Japan filming a monster movie, Shannon and Tracy go antiquing and buy a piece of furniture that sends them on a search for its original owner.

Eric gets hurt taking advantage of Sookie's good nature and takes her for a ride. Sookie and Jason bond over their adventures. Lafayette and Lettie Mae try to save their kin from Maryann's clutches. In prison Sam tries to set himself free and avoid Maryann. Eric and his fellow vampires are floored by Godric's decision to take the fall for their disastrous PR.

Grayson tries to get an obituary removed from the tabloids that prematurely report the death of his client. Grayson hopes that will make his client happy. Grayson discovers that his client may need to be satisfied in some other way. Jane represents a mom who goes to court again for a crime committed twenty years ago.

The truckers and their rigs are running ragged as they race to pull in the last loads. Lisa can't get out of the Carlile yard in Fairbanks--the trailer they've assigned her has a massive air leak. To stay in the running she accepts a new load: a van full of high explosives. The harsh icy conditions southbound on Atigun Pass cause Jack to spin out for the first time this season. George and Tim barely make it through Atigun themselves, but by doing so, Tim gains much needed experience, and George feels that Tim is ready to drive solo. Alex heads north from Fairbanks with his convoy partner Ron, whose truck breaks down with an oil line leak. Alex and Ron wait overnight for a part to arrive, and then must fix the truck themselves by the side of the road. As Hugh heads south, he finds fellow Canadian Alex in the coffee shop and the two old pals (and competitors) have a brief moment to catch up before both hit the road again.

Roxy hopes to make a good impression on the principle of a private school where she hopes her son Finn will be allowed to attend. A window and former senator Jean Calhoun arrives at fort Marshall for a special ceremony and finds comfort and from Claudia Joy and Denise on the loss or her husband.

Corporate changes at the firm have an affect on Pete and Ken. Meanwhile, Sal tags along with Don as he makes a business trip to Baltimore, where both of the men fall prey to the powers of seduction.

Ray and Jemma's professional relationship becomes clouded as they begin falling for each other. Meanwhile, Tanya receives unexpected help in easing her writer's block. Ray is invited for a family dinner by Jessica. And Ray "scratches" his neighbor's beautiful back so that she can return the favor.

The first major crisis arises for the crew of the Antares when the ships operating system begins inexplicably shutting down, causing a sudden failure of power, heat and gravity controls and making everyone aboard plunge into chaos during the desperate search for a solution.

Among the items evaluated are a 1941 Philco radio and an 18th century flintlock pistol. Elsewhere, Rick refurbishes an old 1950s Coke machine.

Eric considers the job offer; Ari finally gets Mrs. Gold to forgive him; Drama tries to protect Jamie-Lynn.

Deleted Out-takes from The Dark Knight; Dr. Manhattan's dark secret; the premise for Dateline's To Catch a Predator backfires big time; and the Robot Chicken nerd injects a little creativity into a gaming session of Dungeons and Dragons.

The team take on more popular science. Liz Bonnin investigates recent research into the magnetic qualities of cows, while Dallas Campbell puts psychological priming to the test. Dr Yan Wong demonstrates why rockets work in space with the help of an underwater firework, and Jem Stansfield tries to put the programme in the space race.

The comedy panel show returns for a new series with brand new host Rob Brydon. The Gavin and Stacey star joins regular team captains David Mitchell and Lee Mack for the third series of the show all about truths and lies.

Three chess players pit their wits against the brawn of the Rugby Boys.