Adam and Jamie pick apart some rope bridge physics from the action movie Cliffhanger, while Kari, Grant and Tory test if giant hail can really sink a fishing boat by puncturing the hull.

In the real world, Belle decides to leave Gold when she realizes that he isn't being honest with her. However, someone else from her past threatens her future. Meanwhile, in the fairytale world, Rumplestiltskin discovers that his wife Milah isn't dead as he believed and goes to confront the pirate captain that took her.

As Teams arrive in Bangladesh, the game gets heated as one Racer's enthusiasm pushes their competition to the breaking point. Meanwhile, one Team performs the unpleasant task of working as "rat collectors".

When the "Last Honest Man" approach is close to being sabotaged by Barry, Fitz's "supposed" illegitimate son, Fitz must try to save everything he can to stay in the race.

Mike comes across a 150 year old Martin guitar which just might be the big ticket item he s been searching for. A rifle toting homeowner s property is off limits until the guys do some fast talking. Danielle gets a vintage Indian motor appraised and keeps her fingers crossed for a major profit.

After capturing a deadly killer, things go awry for Miami Metro, sending Debra into a tailspin. In an effort to help his sister, Dexter enters into a dangerous game of cat and mouse, while the Ukrainian mob continues to seek revenge.

Alicia and Diane must constantly rethink their approach when an opposing lawyer keeps changing tactics. Meanwhile, Eli wins a victory in his efforts to protect Peter's image.

After a traumatic event, a life hangs in the balance. Complicating matters, the group must also deal with a potential threat to their new surroundings.

After being detained in Washington by Daugherty's henchmen, Nucky approaches Esther Randolph, his onetime nemesis, and later entertains an intriguing proposition from Gaston Means. In Atlantic City, Margaret copes with Teddy's demons, while Owen investigates a suspicious fire; Gillian feuds with Lucky and finds a surrogate for Jimmy; and Richard connects with pugilistic vet Paul Sagorsky and his daughter Julia.

Playing with the Graysons is definitely playing with fire, and Amanda learns that the hard way. Meanwhile Emily and Aiden each get blindsided, and the wheels start turning as Daniel begins to take matters into his own hands.

Kate is cast out of the group; Jeremiah and Sabrina have something to hide; Abe finds out that Rebecca is not being honest; Sabrina finds her biological father; the group begins to pack for home and must make a big decision.

Host Chris Hardwick discusses The Walking Dead episode "Sick" with guests Wil Wheaton and Nick Gomez.

When Rigsby's father is found injured at a crime scene, the team must find out if it is the result of a long-standing small-town gang war.

Antoine does the "Cupid Shuffle", as Desiree's mother's house collapses. Annie's visiting parents learn about her record deal. Albert's kids learn about his lymphoma. Toni learns about Sofia's boyfriend. Sofia gets stopped by Officer Billy Wilson, prompting Toni to appeal to NOPD captain Marcus Grayson. Janette has a reunion.

Following a debrief from Saul, a stunned Estes authorizes a covert operation to investigate intel recovered in Beirut. Brody, still reeling from his misadventures with the bomb maker, gets another shock when he runs into Carrie.

November 25, 1864. Corcoran races to keep his life and New York City intact. Doctor Freeman's wife takes her well-being into her own hands. Morehouse discovers the nature of his father's involvement with his new business associates.

Henry learns that Gavin is under investigation for questionable real estate transactions, and must choose between loyalty to his boss or his friendship with Gavin. Jane, unaware of Henry's dilemma, has her own decision to make after she discovers the identity of the thief at The Drake. Meanwhile, the eerie apparition of the little girl reappears with a warning about the contents of the suitcase Jane retrieved, and Nona is troubled by alarming visions of Henry's future. Finally, Annie begs for Gavin's help when her "creation" of Kandinsky goes awry, and he offers her a dangerous quid pro quo as a solution.

All bets are on when the guys take in a local auction, while a customer discovers that cigars and comic books don't mix.

Gadget has a surprise in store; Frosty goes through a change; and two Eternia tourists witness a battle between He-Man and Skeletor.

Jonny Smith examines Ferraris' latest supercar, the F12berlinetta, while Vicki Butler-Henderson explores the world of motorbike speedway in Denmark.

It is the calm after the baking storm, and Paul Hollywood and Mary Berry take over the Bake Off tent to show how the technical challenges should be done. Free from the frenzy of whipping, piping and kneading, Mary and Paul tackle treacle tarts, rum babas, creme caramels, hand raised pies and Paul's infamous eight-strand plaited loaf. Going through every step of the first five technical recipes of the series, they show exactly how to avoid the mistakes some of the bakers made.

Three beer drinkers take on a trio of mathematicians in the first of the quarter-finals, competing to draw together the connections between things which, at first glance, seem utterly random. So join Victoria Coren if you want to know what connects Chichester's round the world yacht, Nicholas Breakspear, Henry Bolingbroke and Star Wars: A New Hope.

McAndrew and Standing are sent to Scotland by Strickland for a week, to help the Glasgow Police try and establish a new UCOS section led by DCI Fiona MacDougall. While there, they end up being caught up in a cold case from 1993 featuring the murder of bookie James Soutar.

Monroe is being kept busy pursuing Lizzie and playing agony aunt to Shepherd. An awkward, violent woman shows up at St Matthew's with a deadly cerebral aneurysm. The neurosurgeon turns to Bremner for help to save her life.

Alice, Mitch and Richie decide a family portrait is needed to capture this new phase of their lives. Security guard Mr Scrutton has other ideas.

Jimmy Carr returns with the irreverent panel show, in which team captains Sean Lock and Jon Richardson are joined by Micky Flanagan, Stephen Mangan, Natalie Cassidy and Humphrey Ker.

Comedian Lee Mack steps up to the comedy pop quiz plate for Buzzcocks hosting duties, and with Noel Fielding away, his team captains are Professor Green and Phill Jupitus.

A visit from the Lich King sheds light on Ooo's secrets.