Elena returns to Toronto for her art show accompanied by Clay, who keeps a protective watch over her while camping out on Philip's couch. Elsewhere, the Pack receive valuable information about the Mutts from an unexpected source.

The hunt for the Urca begins; things change for Eleanor; Bonny and Rackham are haunted by their past sins.

Saying goodbye to Jack has left Elizabeth heartbroken, but she tries to stay strong in front of her class. Meanwhile, wanting to continue the investigation she started with Jack, Abigail tries to outwit Henry Gowen by stealing a file from his office that could hold the clues to the cause of the mine explosion.

Sodom and Gomorrah-a terrifying Biblical tale of two cities incinerated by a hail of fire and brimstone. Was this a fantastic fable, or an actual apocalyptic disaster? Astronomers, archeologists and biblical scholars investigate the possible science behind the myth. Two separate archeological sites along the Dead Sea claim to hold the remains of the actual sin cities. Newly discovered ancient artifacts may even hold the secrets to their destruction? Could an asteroid be responsible for the destruction of Sodom and Gomorrah?.

Roger bans Cleaver from Wendy's, and Fuzz has returned with a Congolese wife, a Cleaveresque attitude, and (according to the AFP) a suitcase full of stolen blood diamonds.

A Jedi mission finds a lightsaber belonging to the long-dead Master Sifo-Dyas, prompting Yoda, Obi-Wan Kenobi and Anakin Skywalker to being an investigation into his decade-old disappearance. This sparks Darth Sidious to order Darth Tyranus to clean up any loose ends that may lead the Jedi to discover the truth of the Sith conspiracy.

Much to the Avengers & Nick Fury's reservations, Captain America plays bodyguard to Victor Von Doom after threats from The Cabal become far too real.

The second of two knockout rounds sees the judges having to reduce their teams of seven down to the three acts that will perform in the live shows.

Jeremy Clarkson, Richard Hammond, and James May continue their journey in three ancient and barely functioning trucks, heading toward their final challenge - building a bridge over River Kwai in Thailand. Having climbed mountains and endured a Burmese trucker stop, they must now venture into the Shan state, an area rife with civil war and normally closed to Western TV crews.

The Musketeers are tasked with bringing the fearsome Labarge, a regional intendant under arrest for the murder of two Musketeers, to Paris. The Red Guards, resentful of the Musketeers' handling of him, initiate a vicious fight between the two regiments. Fed up with the disruptive rivalry between the Musketeers and the Red Guards, the king calls a contest between them to settle which one is stronger once and for all. D'Artagnan is determined to be chosen to fight so that he can prove himself worthy to be a Musketeer. But first he has to learn to control his impetuous nature and to fight with his head, not his heart.

Having endured a scandal in the press and dealt with Henri's arrest, Harry is determined to get the store back on track and asks Delphine to organise a special event, but takes a risk by inviting notorious American journalist Winifred Bonfils Black. Meanwhile, as Miss Mardle experiences true happiness, Agnes doubts she has made the right choice, and Lady Mae and Frank unite to help Mr Selfridge, but could there be more trouble on the horizon?.

Jack and Lisa are lost in the woods, but a trip down memory lane may just help them find their way.

As interest in 'The Opposite of Us' intensifies, Beverly struggles to keep Sean on course and return to London. Matt has his own battles to fight when he learns that NBC expects him to audition for the lead in a new drama pilot.

The Aloha Oe crew bring a red box to the alien registration center, believing it to contain a rare alien. They have no memory of how they acquired the box, only knowing that they will not remember what is inside once it is opened. The box accidentally opens to reveal a book that was checked out by Admiral Perry from the library planet Lagado. The crew also finds a complimentary ticket for a free trip to Lagado inside the book. When they arrive at the planet, they are transported to the surface by its resident aliens, who greet the book and ticket as their librarian and deputy librarian, respectively. The book and ticket are revealed to be aliens that record information on their bodies and take control of others' minds, having used the crew to rescue themselves from the Gogol Empire, explaining their failure to recall the event. Before erasing their memories, the book gives the crew another red box as a gift for their help, warning them not to open it early. The crew bring the box to the registration center, where it opens to reveal a videotape that also manipulates others' memories, starting an intergalactic war involving other video and computer storage devices that goes unrecorded in history.