Marge is concerned that Lisa is dating below her station when she brings home competitive eater-in-training Lucas Bortner, and she enlists Homer to help Lisa explore other options.

Meanwhile, Bart is thrilled to receive free gifts from Snake Jailbird after he helps the convict escape from a jam, but when a betrayal from Milhouse puts Snake back in jail, Bart must forge a plan to set him free.

With Rumplestiltskin as her slave, Zelena challenges Regina to a fight to the death and shocks the Evil queen with the reveal of their familial connection, and the town lays Neal to rest. Meanwhile, back in the past in the land of Oz, a jealous Zelena asks the Wizard to send her to Fairy Tale Land after discovering that she has a sister, Regina, and that Rumplestiltskin is training her to become a powerful force to be reckoned with.

After predicting that a telemarketer is calling the restaurant when the phone rings, Linda and the kids believe that she is a psychic. Needless to say her "predictions" irk Bob and spell out hilarious happenings.

Bellamy and Langston fear the FBI will descend upon the town soon because of the bank robbery and then all of the returned will be taken away, even Jacob. They pressure Elaine for her help in recovering the stolen money to prevent this from happening. Pastor Tom takes Rachael to see Maggie because she is not feeling well and Maggie discovers something that shocks her. Bellamy suffers from nightmares of a previous lost child.

Bo and Tate resurface in Philadelphia where Bo is drawn toward a young woman and her husband, a blogger whose unrelenting pursuit of a mysterious story is threatening to tear the couple apart. Meanwhile, Skouras takes forceful action to track down a traitor within Orchestra.

The Ship of the Imagination travels back in time to reveal 11th century Europe and North Africa during the golden age of Islam, when brilliant physicist Ibn al-Haytham discovered the scientific method and first understood how we see, and how light travels. Later, William Herschel discovers the infrared and the signature hidden in the light of every star, eventually unlocking one of the keys to the cosmos.

During the early years of the Revolutionary War, a Long Island farmer is recruited to spy on the British army.

Issues at a family-run bar include a forceful patriarch and an impending disaster in the kitchen.

Stan tries to infiltrate a leftist cell he believes is planning a terrorist attack.

Brian gives Stewie an STD.

Meanwhile, Peter and the guys fight back when another group claims their booth at The Drunken Clam.

Jane struggles with how to behave around Grayson now that he knows the truth; Grayson represents a widower who wants to honor his wife's last wish to be buried in her backyard, while her parents want her in their family plot; Paul buys a Rolls-Royce for $100; Kim returns to work and enlists Owen's help representing a 12-year-old foster child who is searching for a permanent home.

Sheila fights for custody of the Native American kids and clashes with Sammi over where they will all live once Frank is released. Meanwhile, Fiona passes a drug test, gets released from jail and lands a job at Patsy's Pies with the help of her parole officer; and Frank begins to feel again like his old, troubled self.

Tyrion welcomes a surprise guest to King's Landing for the royal wedding, but fears he's come to the Red Keep for something else. Meanwhile, Jon warns his skeptical Night's Watch superiors about an impending attack. Jaime struggles to regain his status at home. Arya encounters a face from her past, and Daario Naharis discusses strategy with Daenerys on the journey to the slave city Meereen.

As Kiera works to free a college student caught in a police cover-up, her perspective on police behaviour is thrown into question. Carlos discovers Liber8's influence reaches right inside of VPD. Alec secures an unlikely ally.

In the season finale, battles and fortunes are all on the line. On Alaska's Kupreanof Island, a chainsaw accident leaves the crew short-handed on the last and most dangerous site of the season. In Washington, Gabe Rygaard's ferocious push to move the final loads proves too dangerous when Jason flips a loaded trailer. In the Bayou, it's Shelby's big day as he heads to the mill to find out if he's successfully filled his 200,000 board foot order. And down on Florida's St. Johns River, Greg's mistake could cost his crew a victory over the Dreadknots when a broken propeller leaves them dead in the water.

As Finley and Dunn continue to look into the backgrounds of the parents, three of the parents are tasked with using their influence to steal a key piece of the mastermind's puzzle from the CIA. Meanwhile, Meg deals with the aftermath of her actions. At the mansion, Amber deals with the unwanted attention of one of her captors while Beth Anne and Kyle start to get closer.

Attending an elaborate launch party, Richard and his computer programmer friends - Big Head, Dinesh and Gilfoyle - dream of making it big. Instead, they're living in the communal Hacker Hostel owned by former programmer Erlich, who gets to claim ten percent of anything they invent there. When it becomes clear that Richard has developed a powerful compression algorithm for his website, Pied Piper, he finds himself courted by Gavin Belson, his egomaniacal corporate boss, who offers a $10 million buyout by his firm, Hooli. But Richard holds back when well-known investor Peter Gregory makes a counteroffer.

Catherine is forced go to Howard for more information on the case, while Thomas has a real conversation with John about getting inside the minds of murderers. Using Thomas' narrowing profile, Catherine closes in on the killer.

Two survivalists are challenged to survive in a flooded jungle of Belize. The man and woman must face a labyrinth of Mayan caves filled with poisonous snakes and rabid bats. Can they conquer their fears and emerge from the darkness?

Investigations into Pascal lead Emily and Aiden to uncover some long buried family secrets, while Victoria pays a surprise visit to former ally Mason Treadwell as she gets ever closer to exposing Emily.

Marty gets rocked when Kaan and Associates is smacked with a serious legal blow. Meanwhile, Jeannie tries to rectify the situation because she fears she is the one responsible for it; and Roscoe finds a constructive outlet to help him work through some relationship issues.

In Iowa, Selina courts possible caucus voters at a book signing for her new autobiography, while her team attends a staff wedding in D.C. As the day proceeds, she and her staff get word of a rumor that could affect the next election.

In the follow up to the previous DC special, Lena Luthor runs off with Superboy after her father Lex forces her to spend her Spring Break working at the Legion of Doom coffee shop.

Joan fears the worst when Annie kidnaps her baby back from the McNaughton family. Johnny makes a shocking sacrifice and Patricia's dreams for the future are shattered when her boyfriend finally visits Stanton House.

A look at what dangers flu strains actually contain as Liz goes to see how flu vaccinations are made. A experiment were people volunteer to be injected with the flu helps Maggie understand what effects it has on the human body. Jem looks at how quick the virus can multiply.

Jonny heads to France to see ex-WRC champion Petter Solberg and rising star Andreas Bakkerud compete in a rally, before trying his hand. And Vicki gives tips on better MPG, while Jason tests the new $80,000 Caterham.

Jimmy Carr hosts the topical comedy panel show, with team captains Jon Richardson and Sean Lock. The teams are joined by celebrity guests Alex Jones, Josh Widdicombe, Katherine Ryan and Spencer Matthews.

Adam is intrigued when a local artist, Mike Tobin, offers to make a andpound;60k donation to St Saviour's. Finally the Lord has provided a solution to Adam's financial problems. Nothing will go wrong (everything goes wrong).

Meanwhile Adam ropes Ellie in to his campaign against some local litter louts.