The Doctor and Sarah (Elisabeth Sladen) fight to stop the evil coalition. Giuliano: Gareth Armstrong. Federico: Jon Laurimore. Rossini: Antony Carrick. High Priest: Robert James. Brother: Brian Ellis.

Dr. Who returns to Gallifrey and finds himself accused of plotting to kill the President (Llewellyn Rees). Hildred: Derek Seaton. Master: Peter Pratt. Goth: Bernard Horsfall.

The killer reveals himself and battles Dr. Who and Leela. Tom Baker, Louise Jameson. Reuben: Colin Douglas. Vince: John Abbott. Skinsale: Alan Rowe. Adelaide: Annette Woollett.

Time travelers visit London in the 1950s and uncover an alien secret amidst celebrations honoring Queen Elizabeth II.

After the Doctor and his friends are exposed to a strange plague, Sarah becomes infected. Meanwhile, the Cybermen plan to destroy the planet of gold. Tom Baker, Elisabeth Sladen. Tyrum: Kevin Stoney.

In Victorian London, Dr. Who investigates a murder. First of two parts. Louise Jameson. Weng-Chiang: Michael Spice. Li H'sen Chang: John Bennett.

The TARDIS arrives on the planet Oseidon where the alien Kraals have created an exact replica of the English village of Devesham and its nearby Space Defence Station and populated it with androids in order to rehearse for an invasion attempt. A human astronaut, Guy Crayford, has been duped into collaborating with them.

Things may be too late for the doomed parallel universe, but is there enough time to save the planet in the Doctor's home dimension? It's a race against time. Compiles episodes 24 and 25 from "Doctor Who" series 7.

Conclusion. Tom Baker. Leela: Louise Jameson. Weng-Chiang: Michael Spice. Li H'sen Chang: John Bennett. Jago: Christopher Benjamin. Litefoot: Trevor Baxter. Sin: Deep Roy.

The Doctor and Romana are enjoying a holiday in Paris, 1979, when they become aware of a fracture in time. During a visit to the Louvre to see da Vinci's Mona Lisa, the Doctor purloins from a stranger, Countess Scarlioni, a bracelet that is actually an alien scanner device..

Science Goes to the Movies is a new monthly series, co-hosted by Faith Salie and Dr. Heather Berlin, that looks at the science in contemporary motion pictures. Guests are drawn from different scientific disciplines, illuminating scientific truths or imaginings in films like Interstellar, Birdman, The Theory of Everything, Into the Woods, and more. The series encourages lively and informative conversation about concepts, as well as film portrayals of scientists and scientific inquiry, asking if there is real science behind a story, or if a screenwriter made something up. Is science leading dramatic imagination, or does imagination create new science? Faith Salie is a television and national public radio host, political and pop culture commentator (CBS Sunday Morning), interviewer, journalist and actor. Dr. Heather Berlin is an American neuroscientist focusing on brain-behavior relationships affecting the prevention and treatment of psychiatric disorders. The hosts review and comment on the science presented in the story lines of current film and TV offerings. Salie brings a fun, educated and informed layperson's overview, while Berlin offers more in-depth analysis. Special guests join our hosts for a lively and informative conversation about pop culture and science. Science Goes to the Movies guest include Dr. Neil deGrasses Tyson (Astrophysicist), Ira Flatow (Science Journalist, Host of "Science Friday"), Dr. Rosario Gennaro (Cryptologist, Director, Center of Algorithms and Interactive Scientific Software (CAISS), Dr. Christof Koch (Neuroscientist, President and Chief Scientific Officer of the Allen Institute for Brain Science in Seattle), Gerard Ilaria (LCSW, Weill Cornell Medical College, Director of Operations, Headstrong Project), Derek Coy (Afghan Army Vet), Dr. Emily Rice (Astropysicist, Hayen Planetarium, American Museum of Natural History), Dr. Helen Fisher (Biological Anthropologist).

A project to penetrate the Earth's crust has unintended consequences.

The Doctor and Rose board the Tardis and visit mankind's new home but they find gruesome secrets in a luxury hospital.

The Doctor and Rose travel back to 1879, but an encounter in the Scottish Highlands with Queen Victoria and a band of warrior monks reveals a deadly trap.

The Doctor investigates a haunted London school and runs into an old friend.

Madame de Pompadour finds the court at Versailles under attack by sinister clockwork killers and her only hope of salvation lies with the Doctor.

The Doctor turns bank robber when he is given a task he cannot refuse.

Part 1. Rose discovers that her father is still alive on a parallel Earth.

Part 2. The Cybermen take control of London and start converting the populace; Jackie falls under Lumic's control; the Doctor, Rose and Mickey are reduced to fugitives.

Part 1. Rose is trapped in the orbit of a black hole; something ancient beneath the planet's surface begins to awaken.

Part 2. As Rose battles the murderous Ood, the Doctor finds his every belief being challenged to the core as the Pit beckons.

With a new weight-loss pill tested in London by Adipose Industries, the Doctor goes to investigate the sinister truth behind the product, only to find out that his former companion Donna Noble (Catherine Tate) is investigating as well. Together, they attempt to stop businesswoman Miss Foster (Sarah Lancashire) from killing thousands of people in London during the birth of the Adipose, short white ...

The Doctor and Donna land in Pompeii during the 79AD eruption of Mount Vesuvius. The Doctor's activities in Pompeii are impeded by the rock-like Pyrovile and their allies, the Sybilline Sisterhood, who are using the volcano to convert the humans to Pyroviles. The Doctor is faced with a moral dilemma: whether to rescue himself and all of Pompeii from the situation and leave the Pyroviles to have th...

The Doctor and Donna arrive on the Ood-Sphere in the year 4126. They arrive at a factory where the Ood are prepared for sale to anyone willing to pay the price. When they find a group of unprocessed Ood, they become horrified at the alterations performed and resolve to free the Ood.

The Doctor gets a call from previous traveling companion, now medical officer at UNIT, Martha Jones (Freema Agyeman) with a request that he return to Earth immediately. She requests the Doctor's help in investigating ATMOS (Atmospheric Omission System) and why 52 people around the world all died simultaneously. The Doctor learns that the Sontarans are planning to take over the Earth. They take Mar...

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...