The Chief tells the residents that one of them will get a solo surgery, and a competitive frenzy ensues; Derek asks Bailey for advice when he feels that Cristina is coming between him and Meredith; Erica discovers a shocking connection between one of her residents and a longtime patient.

Earl needs to make up for a passed on lemon, while Joy wants to win at a science fair.

Clark receives a mysterious package containing the crystal that Tess found in the Arctic. When he touches it, it transports himself and a visiting Lois to the Phantom Zone where they run into Kara. She opens a portal to free Lois, but Zod's wife escapes and possesses her.

The two tribes meet for a huge feast and while they eat, Charlie ruins a chance for Kenny when a clue for a hidden immunity idol is revealed. But when then idol is found, Marcus convinces the others to toss it and throw it in the ocean.

After the meal, the two tribes divide themselves into new tribes after being given instructions. Crystal and Kenny swap from Fang to Kota and get Susie to help them vote out the biggest threats in the tribe.

Wanting to grasp the attention of her neighbor Jesse, Betty decides to work overtime. Meanwhile, Amanda becomes Betty's roommate when the former finds herself in financial instability, and Cliff proposes that he and Marc move in together.

Kath grows paranoid when she thinks that Phil is keeping secrets from her. Meanwhile, Kim decides that she will not get back together with Craig until he gets rid of his dog. To teach him a lesson, Kim joins her friend Tina in speed dating.

When the CSI team investigates a case involving the world of domination, Grissom pays a visit to Lady Heather to help find some answers.

The annual customer survey holds shocking news for Dwight and Jim, and Jim and Pam make the most of their Bluetooth-enabled phones. Angela and Andy make an unusual choice for a wedding location.

Want to score a hot girlfriend, win the lottery or have your favorite teddy bear come to life? Then plunk a coin in a small town's wishing well and stand back. One problem: The wishes come true with a twist.

Chef Ramsey heads to Cranbury, NJ, to visit a French bistro named Hannah & Mason, owned by a pair of friends who lack both business experience and motivation. The staff are holding bounced paychecks, but that isn't as bad as what chef Ramsey finds inside the cooler which causes the place to be shut down on Valentine's Day.

Chef Ramsey visits Jack's Waterfront, a seafood restaurant in Saint Clair Shores, MI, which is run by three local body builders. Due to the use of imitation seafood and poor management, a once popular spot for boaters has now become a slowly sinking business.

Several plane crashes have mundane causes including a Soviet YAK-41 VTOL landing on an aircraft carrier, a YAK-38 demonstrating its VTOL capability, and a highly manoeuvrable NASA X-31 demonstrating thrust vectoring. Boat crashes include a drag boat racing at high nearly 150 mph that sends its driver skimming across the water. Mother nature gobbles up buildings with a sink hole and a chemical plant explosion produces a massive fireball.

Liz, on a return trip from Chicago to get out of jury duty, ends up sitting next to Oprah Winfrey and spills her soul to her for advice. Meanwhile, Tracy and Jenna argue as they attempt to figure out whose life is harder, leading to a wacky "social experiment". Kenneth tests Jack's morality after an Olympics snafu.

Chaz, now a med student, begins his ER rotation. Morris takes him under his wing and shows him some risky procedures, raising Banfield's ire. Neela becomes upset when Banfield questions her authority and skills in front of her intern. Gates gets in hot water with Sam when he oversteps his bounds.

To get Paddy's pub labeled a historical landmark, the gang tells the Philadelphia Historical Society that their bar was responsible for cracking the Liberty Bell.

Sam Tyler encounters a young Fletcher Bellow, an officer Sam had considered to be his mentor in 2008. Although Bellow doesn't recognize Sam, they work with the other detectives in the precinct on a case in which an African-American girl had been thrown from a roof by a Puerto Rican.

When an aggressive and deadly virus infects a demolition site in Pittsburgh, Dr. Hood is called in to contain a potentially lethal outbreak.

Sarah joins the rank of the homeless after losing her keys, but seems to like her new status after meeting an old friend who shows her the advantages of living on the streets.

Ron and Peter test out a new super glue and a prank goes horribly wrong, resulting in Peter being superglued to Ron's backside, which Ron end's up using to his advantage, by taking Amy out on a date; Nugget opens up his own sperm bank in Kate's bar.

Paul Rudd

Tonight Stephen welcomes the host of The Rachel Maddow Show, Rachel Maddow.

The popular news quiz returns, with team captains Paul Merton and Ian Hislop, guest host Jo Brand, and guest panellists Toby Young and Reginald D Hunter.