The Doctor and his companions arrive on a spaceship headed for Earth, populated by natives of Earth from various different eras and commanded by the leaders of the Urbankan race. What are the Urbankans' intentions when they reach Earth?

Trying to transport Tegan to Heathrow airport on present-day Earth, The TARDIS accidentally lands on-board a alien spaceship traveling to Earth which will arrive in 4 days. Where the Doctor, Adric, Nyssa and Tegan encounter the frog like Monarch, ruler of the doomed planet Urbanka. Only to find Monarch has abducted generations of humans from different cultures and converted them into cyborgs. The Doctor and Tegan discover Monarch's true goal is to travel faster than the speed of light, and traveling back into time where he will meet himself and wipe out the human race, repopulating the Earth with his own race.

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The episode is a found footage video engineered and narrated by Gagan Rassmussen, a crew member of a space station orbiting Neptune in the 38th century. He manufactures a perilous adventure involving Sandmen - humanoid creatures made of rheum…

In a South Yorkshire city, Ryan Sinclair, Yasmin Khan and Graham O'Brien are about to have their lives changed forever, as a mysterious woman, unable to remember her own name, falls from the night sky. Can they believe a word she says? And can she help solve the strange events taking place across the city?

An animated adventure following the Seventh Doctor as he attempts to stop General Tannis' plans for conquest of the universe.

Even Time Lord die... When a dissident Time Lord group inadvertently caused the destruction of an entire civilization through interference, its members vowed to repent by serving the Universe not as gods of Time but as mere men. Many years later, this peaceful resolve is severely tested when tow of their number are killed - and the Doctor's seventh incarnation becomes embroiled...

On the planet Kembel, Space Security Service agent Marc Cory is investigating a recent sighting of a Dalek spaceship. His suspicion that the creatures may have established a base proves well-founded. He learns of a plot by the Daleks to invade and destroy the Solar System.

An energy drain traps the Third Doctor and Sarah Jane Smith on the planet Exxilon with its hostile natives, causing the travellers to make an uneasy alliance with a Marine Space Corps expedition and a squadron of Daleks. The key to escape for all of them lies at the heart of a powerful and mysterious lost city, but only after a series of deadly traps.

The program features various risks to civilization, humans and planet Earth. Hosted by Matt Lauer, the documentary features 10 different scenarios that could bring an end to all life on Earth with interviews by Al Gore, Michio Kaku, Daniel H. Wilson, and others, and clips from various films and television programs.