In the near future, during a war with a race of invading aliens called the Votan, alien terra-forming technology is accidentally unleashed on Earth, creating a new planet dangerous to both humans and the aliens. where they eventually realise that they must learn to live together to survive.

As the Doctor’s newest companion, Clara Oswald, steps into the TARDIS, take a look back at previous companions that have won over the Doctor’s heart in Doctor Who: The Companions. Along the way, companions old and new talk about how the show has changed their lives, and how they've never quite managed to leave the TARDIS behind. Matt Smith and David Tennant are joined by fellow contributors including John Barrowman (Captain Jack), Arthur Darvill (Rory) and Noel Clarke (Mickey).

A new decade, a new Doctor. And now in color! The Revisited team takes a nostalgic look back at the adventures of the third Doctor, played by Jon Pertwee, his role as scientific adviser to U.N.I.T., and the first appearance of the Master. Hugh Bonneville joins the regular contributors.

Jon meets the King-Beyond-the-Wall while his Night Watch Brothers flee south. In King's Landing, Tyrion wants a reward, Margaery shows her charitable nature, Cersei arranges a dinner party, and Littlefinger offers to help Sansa. Across the Narrow Sea, Daenerys starts her journey west.

A mercurial Las Vegas casino czar ups the ante on a business deal with a frustrated Marty; and Clyde's club-owner friends look to him to expand their brand beyond Vegas. Meanwhile, Marty picks up some inside dirt on Tamara.

Bo and Kenzi become entangled in the schemes of a gated community when a babysitter pleads for their help to prove her employer has met with a foul end. Meanwhile, Lauren comes to a difficult – and dangerous – decision.

The Mock the Week team unearth classic material from the show's archives, themed around the topic of law and order. With contributions from the likes of Frankie Boyle, Russell Howard, Micky Flanagan, David Mitchell, Greg Davies, Al Murray, Jo Brand, Jack Whitehall and Michael McIntyre.

Hamptonites celebrate Halloween with a glamorous masquerade ball hosted by the Graysons, which is a perfect setting for Emily to drag out Victoria’s skeletons. Jack steps up his revenge plan and finds an unexpected ally, and Aiden makes a bold move with a gruesome conclusion.

Fiona takes the kids on a camping trip. Essentially homeless, Frank seeks out Carl who sneaks him into the Gallagher van for the night.

Alicia and Will go to trial unprepared when they learn that an impending Supreme Court ruling could result in Colin Sweeney being jailed for life. Diane reunites with Kurt but is forced to reevaluate the relationship.

Rick and the others consider the defense of the prison as the Governor's impending attack looms.

In the Great Hall of Kattegat, a seer reads Earl Haraldson’s future and tells him that Ragnar Lothbrok searches for his death. The unanswerable question is whom do the gods favor more? As a man willing to defend his power and status to the death, Haraldson intends to take precautionary measures. Ragnar, his home and farm burned by the Earl is hurt but hidden safely away. He must now choose the path that will lead him back to his freedom.