British Broadcasting Corporation

The invisible enemy: The doctor is infected with a space virus and is soon fighting for control of his mind. Leela's only hope lies on a nearby medical satellite, where she seeks help from eccentric scientist Professor Marius and his dog-shaped computer, K-9 ; contains episodes 1-4. K-9 and company, a girl's best friend : Sarah is looking forward the spending Christmas with her aunt. When she arrives, she finds her aunt missing, and a surprise present...

The Doctor and Sarah Jane answer an ingergalactic distress call that takes them to a far-flung planet, Zeta Minor, at the edge of the known universe. Arriving at the same otime as a rescue team, they search for survivors of an earlier expedition. But will anyone be allowed to leave the planet alive?

Full circle (Story 112 ; 4 episodes ; 96 min.): The Doctor, Romana and K-9 find themselves on the planet Alzarius, whose colonists are besieged by reptilian creatures rising from the marshes. State of decay (Story 113 ; 4 episodes ; 96 min.): Trapped in E-Space, the Doctor, Romana and K-9 are unaware that Adric has stowed away aboard the TARDIS. Their next stop brings them face to face with a hideous creature from Time Lord legends. Warrior's gate...

Transmitting down from Nerva Beacon, the Doctor, Sarah Jane and Harry find themselves on Earth in the far future, long since abandoned by the human race. Soon it becomes clear that they are not alone: a shipwrecked crew of human astronauts are being hunted down, one by one. What is the creature that lives in the rocks, and what is the purpose of the lethal tests it is conducting? Can the Doctor ensure the safety of the Earth for the future generations...

After an encounter with the deadly Mandragora Helix, the Doctor and Sarah Jane land in 15th century San Martino. In the midst of danger, secrecy, and intrigue, they witness the flowering of the Italian Renaissance. However, the Doctor realizes that a third visitor has arrived with him in the TARDIS. It is a force with the power to wipe out human civilization forever. The Doctor has brought it to Earth, and only the Doctor can stop it.

When the Doctor and the recently regenerated Romana arrive on a radioactive planet, the Time Lord has the strangest feeling that he has been there before. Exploring the ruins of an old city, it is not long before they discover the disturbing truth. The TARDIS has materialized on Skaro-- original home to the evil Daleks. But who are the mysterious Movellans and what terrible treasure are the Daleks seeking? The answer lies deep beneath the city.

In one of the most popular episodes, an archaeological dig revives Sutekh, an ancient Egyptian god of destruction.

"Attempting to return home to Gallifrey, the Doctor, Romana and K-9 find themselves on the planet Alzarious. As the local inhabitants retreat in terror to their marooned spacecraft, the Doctor sets out to investigates, and a group of young rebels take Romana hostage in the TARDIS. Besieged by the reptillian creatures rising from the marshes, the colonists of the Starliner face a bleak future without the Doctor's help. Can he uncover the dark truth...

"The Doctor, Romana and K-9 are trapped in E-Space, a strange alternative universe. They are unable to find an escape, and do not realize that a young boy called Adric has stowed away aboard the TARDIS. Arriving on a primitive planet where the local inhabitants fear the Three Who Rule, they soon find themselves facing a hideous creature from Time Lord legends that was long thought dead. Soon the Doctor must confront a blood-sucking monster that is...

The peaceful planet Aneth was once at war with the mighty Skonnon empire. Now the Skonnon ships have returned to the skies of Aneth, demanding tribute. But as the final consignment is being taken to Skonnos, an accident forces the ship off course. The Doctor decides that the TARDIS is in need of an overhaul, and after materialising in deep space, dismantles most of the ships key circuitry, immbolising the time/space machine. Nearby is the stricken...