Gallifrey is under attack by the Knights of Velyshaa, while a time distortion traps the Seventh Doctor on a prison planet, the Fifth Doctor on a WWI German u-boat, and the Sixth Doctor on a devastated space liner.
1702. London. The Doctor and Turlough become part of a plan by gambler Sir Nikolas Valentine, a member of the enigmatic Diabola Club. Who is he and where does the mysterious highwayman that roams the streets fit in?
The Doctor and Peri visit the Museum of Aural Antiquities, where every sound is stored for posterity. and discover an intruder, mysteriously changed recordings, and a dead body. There is more going on here than a simple break-in or murder.
The Doctor and Nyssa arrive at a millionaire's mansion/museum/memorial under construction in the Alaskan wilderness and it is soon under siege by energy monsters from the dawn of time.
Tracking a nexus point in time, the Doctor meets Dr Evelyn Smythe, a history lecturer whose own history seems to be rapidly vanishing. The Doctor must travel back to Tudor times to stabilize the nexus and save Evelyn's life.
The library on Kar-Charrat contains the entire knowledge of the universe in its brand new wetworks facility. The Doctor must prevent the Daleks from seizing the technology and stop their conquest of the universe.
Ares One NASA's first manned mission to Mars. But is Mars as dead as it seems? The Doctor Peri and the Ares crew find an alien building. What is its purpose? And what is frozen inside blocks of ice that guard the doorways?
In a desolate Cornish landscape littered with relics of prehistoric man, the Doctor and Evelyn uncover a host of mysteries. Can the moor be haunted by a demonic host of imps? And what is Brigadier Lethbridge-Stewart doing in Pengriffen.
When a teleportation accident goes badly wrong, Nyssa finds herself stranded on the freezing slopes of the Swiss Alps in 1963. But is it mere coincidence that she finds shelter in a snowbound school haunted by a malevolent poltergeist?
The Doctor and Evelyn investigate gravity wells on the planet Archetryx, while Daleks hover above. What has become of President Romana, missing for twenty years? What is the secret of the ancient element the Daleks are synthesising?
2000 years ago, a volcano wiped out the city of Pompeii and buried the TARDIS. Arriving one day before the disaster, the Doctor and Mel fight to escape the shadow of Vesuvius. Can they succeed when history itself is working against them.
A typical night at the Pinehill Crest Hotel The Doctor, Bernice and Ace face a dead body come back to life, a mystical symbol possessing its host, and a threat from another universe.
The TARDIS lands in a castle in a time of religious upheaval. The old god is dead, and all heretics are to be slaughtered. The Doctor and Frobisher are hailed as messengers from heaven, vital to opposing factions in the struggle for power.
In the 22nd century, the Daleks have occupied planet Earth. By the 43rd century, only a handful of humans survive. Still further into the future, a Thal scientist must choose whether to betray his heritage, or see the universe destroyed.
