The Doctor is suspicious of everyone in the village---even Sarah. Elisabeth Sladen. Styggron: Martin Friend. Crayford: Milton Johns. Benton: John Levene. Harry: Ian Marter.

Once you see the mummy, you only have 66 seconds to live. The Doctor races against time.

The Doctor and Leela (Louise Jameson) face the god of the tribes---a computer. Tomas: Brendan Price. Calib: Leslie Schofield. Jabel: Leon Eagles. Gentek: Mike Elles.

Season 8 begins with Peter Capaldi as the 12th Doctor. In the opener, the Doctor and Clara are in Victorian London where a dinosaur is on the loose and a spate of deadly spontaneous combustions take place.

The theft of a secret weapon leads the Doctor (Tom Baker) to a confrontation with a giant robot. Stewart: Nicholas Courtney. Sarah: Elisabeth Sladen. Robot: Michael Kilgarriff.

The terrifying Skovox Blitzer is ready to destroy all humanity. What could be worse? Any second now, Danny Pink and the Doctor are going to meet.

The Doctor investigates a contemporary London school which is being haunted by strange, bat-like creatures at night. While at the school, the Doctor finds his old friend, Sarah Jane Smith, already working undercover. Both have old scores they must settle, and Rose discovers the true legacy of being a Time Lord's companion.

The Doctor and Clara are on the most beautiful train in history speeding among the stars of the future. But a deadly creature is stalking the passengers. Once you see the horrifying Mummy you only have 66 seconds to live.

The Doctor finds love - and evil droids - in 18th-century France. Madame de Pompadour is being haunted by a stranger called the Doctor. Can he save her from the clockwork killers?

In the sun dappled forest, the Doctor discovers an evil plan from beyond the stars and strikes up an unlikely alliance with Robin Hood. With Nottingham at stake, the Doctor must decide who is real and who is fake.

Part 1 of 2. The Tardis is trapped on a parallel Earth and Rose discovers that her father is still alive. But sinister forces are at work, and British society is being prepared for the Ultimate Upgrade. Meanwhile, an old enemy of the Doctor's is about to be reborn...

The story continues... Cybermen take control of London and start converting the populace. While Jackie falls under Lumic's control, the Doctor, Rose and Mickey are reduced to fugitives in a world of terror. A last, desperate attack on the Cyberfactory is their only chance - but will they all survive?

Continuing from the end of "The Sontaran Stratagem", the Sontarans launch the attack with their poison gas slowly encircling the Earth. The Doctor—impeded by a Sontaran-controlled clone of Martha—aids UNIT in repelling the Sontarans in the ATMOS factory while Donna infiltrates the Sontarans' warship. He decides to try and burn the poison gas that now encircles the Earth and with the help of th...

The TARDIS, as seen before, seems to display a mind of its own and whisks the Doctor, Donna, and the Time Lord's former companion Martha Jones to the planet Messaline, in the midst of a savage war between humans and the fish-like Hath. Martha is abducted by the Hath shortly after the time travellers arrive. Rescuing Martha becomes the Doctor and Donna's main priority, as well as attempting to put ...

Doctor Who and Sarah crash-land on a planet that's home to hostile inhabitants—and to a mineral needed to combat a deadly plague.

The Doctor and Clara are on the most beautiful train in history speeding among the stars of the future. But a deadly creature is stalking the passengers. Once you see the horrifying Mummy you only have 66 seconds to live.

The Doctor and Donna travel to December 1926 and meet the renowned murder mystery writer Agatha Christie (Fenella Woolgar), who is attending a party at Lady Eddison's (Felicity Kendal) country manor. They investigate a jewel robbery perpetrated by the "Unicorn" (Robina Redmond, portrayed by Felicity Jones) and a spree of murders committed by an extraterrestrial wasp (Reverend Golightly, portrayed ...

The Doctor and Donna land in the 51st century to visit the greatest library in the universe, encompassing an entire planet, but are baffled when they find it deserted. To the best he can determine, the library has been closed for 100 years, so the arrival of a team of archaeologists led by River Song (Alex Kingston) comes as something of a surprise. They discover the Vashta Nerada, carnivorous cre...

Separated from the Doctor, Clara discovers a new menace from another dimension. But how do you hide when even the walls are no protection? With people to save and the Doctor trapped, Clara comes up against an enemy that exists beyond human perception.

In episode #204 of Science Goes to the Movies, series co-hosts Dr. Heather Berlin and Faith Salie are joined by Mukund Vengalattore, atomic physicist and Assistant Professor of Physics at Cornell University, to talk about quantum physics in the British sci-fi show, Doctor Who.

 A violent explosion on the TARDIS threatens to send the craft hurtling back to the beginning of time. The Doctor: William Hartnell. Ian: William Russell. Barbara: Jacqueline Hill.