Captain Jack calls in Martha Jones to investigate mysterious deaths. When the trail leads to a sinister medical testing center she must go undercover. But have Torchwood underestimated how far the center will go to find medical breakthroughs?

Deep in shock, the Torchwood team faces their darkest hour. In an effort to put things right, Captain Jack unleashes a primal force that uses Torchwood as a conduit to wreck havoc across Earth.

A victim of his newfound circumstances, Owen believes he needs absolution. Will the lonely girl on the rooftop help him, or will it be a mission to the retrieve an alien device proving more lethal by the second? How far will Toshiko go to help him?

The night before Gwen's wedding, an alien shapeshifter leaves her carrying more than she bargained for. As everyone gathers for the ceremony, Jack must destroy her big day, unless one of the three mothers present finds a means to stop him.

When an old cinema re-opens, past horrors emerge to stalk the streets of Cardiff. And as bodies are found, somewhere between life and death, Torchwood must act fast. Who are the Night Travellers? And how can Torchwood capture these mysterious killers?

When a local teenager disappears Gwen is drawn into an investigation that reveals a darker side of Torchwood. Hundreds of people have disappeared without trace, but why is Jack obstructing attempts to find them? The answer seems to lie in the rift.

A booby-trapped building explodes and knocks the team unconscious. As their lives flash before their eyes, we learn how each of them was recruited to Torchwood.

Captain John returns to have his revenge on Torchwood. But who is he really working for? And how great a price must Torchwood pay to save the city?

The team investigates a mysterious signal being sent out to helpless children.

Torchwood goes underground as the government plans Floor 13.

The world focuses on Britain as the 456 announce they are here.

The Ambassador shows its intent; the team discovers the truth of 1965.

Gwen must stand alone as the world descends into chaos.

An 'ancient' pyramid appears overnight. Every clock in the world begins counting down to the Earth's destruction. Three opposing armies lie ready to annihilate each other. It's a terrifying race against time to save the world!

Earth has been invaded and Bill is living alone, an isolated figure surviving in occupied Britain. The Doctor is imprisoned, and appears to be on the side of the enemy, flooding the airwaves with fake news.

The gang has splintered, they are alienated and alone, unable to recover from the truths they faced in detention. Miss Quill is in hibernation, but she's a ticking time bomb, ready for revenge when she wakes.

The Doctor and Romana uncover a drug-smuggling operation and set out to find the source of Zip, the most dangerous drug in the universe. Lalla Ward. Rigg: David Daker. Della: Jennifer Lonsdale. Tryst: Lewis Fiander.

"The Awakening", conclusion. Tegan is chosen for a dubious honour: the Queen of the May, whose reign ends with death.

The Doctor and Romana arrive on a planet where the native villagers live in fear of 'the Wasting.'...

An archaeological expedition on a desolate planet awakens a patrol of dormant Cybermen, who plan to repopulate their ranks by taking over humans. Patrick Troughton. Jamie: Frazer Hines. Victoria: Deborah Watling. Prof. Parry: Aubrey Richards. Toberman: Roy Stewart. Callum: Clive Merrison. Kaftan: Shirley Cooklin.

The Doctor suspects something isn't quite right with the daughters of the family that protects the streets of Venice.

The newly regenerated Doctor and Amy Pond must save the world in less than 20 minutes from galactic policemen known as the Atraxi.

The Doctor and Amy travel to Britain of the future, where people live in a giant spaceship; Amy comes across the terrifying Smilers.

The Doctor and Amy meet Winston Churchill during a trip back to World War II, where they also encounter the Daleks.

Part 1. The Doctor hunts the last of the Weeping Angels through the Maze of the Dead; the mysterious River Song is back in the Doctor's life, but he doesn't know if he can trust her.

Part 2. The Doctor and his friends are forced to escape through the forest vault after they are surrounded by the Weeping Angels.

Part 1. Scientists discover something isn't right beneath Earth's crust while drilling.

Part 2. Scientists discover something isn't right beneath Earth's crust while drilling.

Amy battles an alien in France with Vincent Van Gogh.

The Doctor investigates a mysterious staircase in a building where people can go up, but never down.

Part 1. A message on a cliff; a puzzle box that opens from the inside; the fates draw closer for the TARDIS.

Part 2. The fates draw close around the TARDIS.

Amy and Rory are trapped on a crashing space liner, and the only way The Doctor can rescue them is to save the soul of a lonely old miser. But is Kazran Sardick, the richest man in Sardicktown, beyond redemption? And what is lurking in the fogs?

Part 1. The Doctor, Amy and Rory receive a secret summons that leads them to the Oval Office in 1969. Enlisting the help of a former FBI agent and the irrepressible River Song, the Doctor promises to assist the President.

The TARDIS is marooned onboard a 17th-century pirate ship whose crew is being attacked by a mysterious and beautiful sea creature. Becalmed and beset by cabin fever, the pirates have numerous superstitious explanations for the Siren's appearance.

By following a Time Lord distress signal, the Doctor puts Amy, Rory and his beloved TARDIS in grave danger.

Part 1. A solar tsunami liberates doppelgangers from their human 'originals' in a futuristic factory. Can the Doctor prevent all out civil war?

Freddie needs a new coat for a "Doctor Who" fan-club event; Ash asks Freddie and Stuart for advice on winning back his ex-girlfriend; and Ash, Violet and Penelope make a shocking discovery during a shopping excursion.

Part 2. The Doctor must convince terrified factory-workers to work with their doppelgangers to overcome a monster of their own making.

The Doctor assembles an army to face the Battle of Demons Run - and River Song has something to tell him.

The TARDIS crash lands in 1930's Berlin, bringing the Doctor face to face with the greatest war criminal in the Universe. And Hitler.

Every child is scared of monsters, but George's terrified pleas for help reach the Doctor. Because George's monsters are real.

Amy is trapped in a quarantine facility for victims of an alien plague. Can Rory save her before she is killed by kindness?

The TARDIS lands in a hotel where every visitor's room contains their deepest, darkest fears. What lies in wait in the Doctor's room?

Look back at the Eleventh Doctor, Matt Smith, who first stepped into the TARDIS in 2010. With a human side of this Doctor, viewers were able to look at how all the years he has lived have affected him.

The Doctor's final days are upon him - but when he drops in on an old friend, the Cybermen are waiting.

By the shores of Lake Silencio, in Utah, all of time and space hang in the balance - because this is the day the Doctor dies.

Kidnapped by his oldest foe, the Doctor is forced on an impossible mission - to a place even the Daleks are too terrified to enter...

An unmanned spaceship hurtles towards certain destruction - unless the Doctor can save it, and its impossible cargo... of dinosaurs!

The Doctor gets a Stetson and a gun, and finds himself the reluctant Sheriff of a Western town under siege by a relentless cyborg.