Susan Foreman just wants an easy life for herself and her grandfather, the mysterious Doctor. She wants to be liked by Cedric and the other pupils at Coal Hill School. But there's trouble in the streets and bombsites around Totter's Lane.
Following an emergency landing on a remote world orbiting a peculiar star, the Doctor and his friends, Jamie and Zoe, discover a human outpost on the planet surface, inhabited by scientists who are there to study an ancient city.
Two RAF fighter jets are on a training flight over North East Scotland when one of them is plucked from the air and promptly disappears. UNIT are called in, and the Doctor enlists the help of a young lieutenant by the name of Mike Yates.
When the Doctor and Romana arrive at the world of Hephastos, they discover the colonists have neglected their once beautiful world, and are enslaved to the Babble network. Every thought is shared and privacy is now a crime.
The Doctor answers a distress call being sent from England in the 1920s. There, in the environs of a fairground, he is reunited with an old friend: Harry Houdini.
Responding to a desperate summons from his future self, the Doctor and Peri find themselves on a sailing ship in 1492, where the crewmen are gripped by superstitious fear.
The inhabitants of Tarsus Six face a desperate struggle to evacuate their world before their sun collapses. With the TARDIS immobilized, Ace realizes that their own lives are as much in danger as those of the fleeing inhabitants.
1935: a message from a Time Lord in trouble sends the Eighth Doctor and Charlotte Pollard to the streets of London's West End, in search of a mysterious alien adversary- unaware that something monstrous is already on their trail.
The Doctor is helps with their investigation into The Whisper, a strange vigilante that has been terrorizing the city's underworld. But the Doctor is also on a mission of his own - to save Police Chief McNeil's life at all costs.
Finding themselves stranded among a motley bunch of space-tourists, the Doctor and Donna must lead a struggle for survival against the frenzied wildlife, as they slowly realize that other members of the group have very different agendas.
Graduate student Alice Watson helps Professor Chivers assemble the final pieces of time machine. Little suspecting that the project will threaten the existence of the entire universe. And that's when the mysterious Doctor arrives.