As plague sweeps 17th century England, the Doctor discovers a more exotic threat at work – shipwrecked Terileptil convicts, intent on making the planet their own.

To rescue Tegan and Adric, captured and interrogated by the Terileptil fugitive leader, the Doctor must get past the locals under alien control and overcome Death (an android servant dressed…

The Doctor makes the fugitive Terileptils a rare offer they shouldn’t refuse; but, though few in numbers, they have a plan in the works for the quick and complete domination…

With Tegan and Richard under alien control, and the manor sealed against anyone leaving or entering, it’s a question whether or not the Doctor can get to London before the…

The TARDIS arrives on Earth in 1925 where, due to a case of mistaken identity, the Doctor ends up playing in a local cricket match, but events take on a…

Ann escapes her Harlequin-clad abductor but it’s The Doctor whom she accuses. Strangled bodies mount and The Doctor is arrested along with “accessories” Tegan, Nyssa and Adric. Will Lady Cranleigh’s…

The TARDIS crew arrives on Earth in the 26th Century in a cave system where a military force is investigating the disappearance of a palaentological expedition.

With her crew vanishing mysteriously, Captain Briggs assumes the Doctor is the guilty party, but the traitor is closer to home… as are the Cybermen.

The Cybermen are released from their silos and are on the march, attacking Briggs’s crew and ensuring that the freighter remains on course for Earth. But why?

The Doctor realises the freighter is now a huge bomb and sends it back through time where it can explode millions of years ago… but Adric is still aboard…

A Concorde loaded with passengers and crew vanishes into thin air. The still-grieving TARDIS crew arrive at Heathrow Airport in 1981 as the Doctor volunteers his services to solve the…

The Doctor’s TARDIS is stolen, and tracking it down reveals the existence of an alien named Kalid controlling events in the past. While the Doctor challenges Kalid’s motives for being…

Southern England, 1981. The universe has been saved, but at the cost of the fourth Doctor’s life. The newly-regenerated fifth Doctor must rely on his friends to survive as the…

The TARDIS is plunging toward destruction. But even if the Doctor can escape, is yet another trap waiting?

The Doctor has arrived in the supposed safety of Castrovalva. But something is odd about the seemingly tranquil city…

The TARDIS crew are caught in a space-time trap. Escaping will mean a final confrontation with the Master.

Deep space, four days from Earth, 1981. The TARDIS materialises aboard a massive Urbankan starship. What is the real agenda of Monarch, master of the vessel?

The Doctor and his companions explore Monarch’s vessel. But what is the secret of the ancient Earthlings aboard?

Bigon reveals Monarch’s terrible plan to the Doctor. Can he act in time to save Nyssa? And which side is Adric on?

The Doctor has little time left to stop the evil Monarch. But he is losing allies — and the TARDIS is gone.

The Doctor joins the villagers’ revolt against their vampire rulers, unsure how to kill the king vampire. Meanwhile Adric is first in line to join the new vampire order while…

The TARDIS is drawn into an empty white void, somewhere between universes. But they are not the only ones trapped there.

When Rorvik learns that Romana is a time sensitive, he takes her prisoner, forcing her to find a way out of the void. The Doctor attempts to discover what lies…

While Biroc leads the Doctor to a view of the Tharil’s lordly past, Romana learns more about the damaged freighter and the coldheartedness of its crew. Meanwhile Commander Rorvik, confounded…

The Doctor deduces that the freighter is a slave ship loaded up with Tharils to be sold as time machine components, but the immense weight of Rorvik’s damaged ship, designed…

The planet Traken. The Traken union is a society living in perfect harmony, watched over by the powerful but benign Keeper. But now the Keeper is dying, and he senses…

Tremas claims consular privilege to protect the Doctor and Adric from execution, though it binds his fate to theirs if they’re found guilty of murder. Melkur strengthens his hold over…

With Tremas falling under suspicion, due to his association with the Doctor, a new Keeper Nominate is named. Now, with everything in place, Melkur has only a short wait before…

With the merciless Melkur in control of The Source, the Doctor and his allies have only a slim chance of deposing him, which also puts the peace of the Traken…

Deciding to repair the TARDIS’ chameleon circuit, the Doctor goes to Earth to find a real police box. But an old enemy is one step ahead of him.

The Doctor, aware that his time may soon be ending, travels to the Logopolis where a series of fateful events are set in motion.

With Nyssa from Traken unexpectedly rejoining the group, Adric aids the Monitor of Logopolis in trying to save the Doctor before time runs out. The Master, at liberty to prepare,…

With the universe collapsing, the Doctor forms an uneasy alliance with the Master to save it. In case all does not go well, the Watcher takes the Doctor’s companions to…

Infection from a spider bite causes Romana’s personality to change. Meanwhile the Doctor, after discovering that the spaceship society is in a perpetual state of repair and upgrade, has morality…

Marshmen invade the Terradonian ship thanks to Romana, who seems to be in communion with them. While the ship’s inhabitants flee for their lives, the Doctor discovers a crucial fact…

Still trapped in negative E-Space, the TARDIS lands on an unnamed world to find a society sliding back into feudalism. What is the secret of the Three Who Rule? And…

The Doctor and Romana are escorted to the tower to meet the royal leaders, hoping they can find answers to why this society evolves backwards. The Doctor recognizes the tower…

The Doctor finds archive material in the TARDIS that tells him he’s dealing with an ancient enemy of the Time Lords, a nearly indestructible king vampire who’s ready to revive…

Deep space, an unknown time – on course for Gallifrey, the TARDIS passes through a strange disruption. When they materialise, the scanner shows the Time Lord homeworld… but the travellers…

As the humanoid community takes refuge in their crashed spaceship, venomous marsh spiders begin to hatch from the local fruit while bestial marshmen emerge from the waters to walk the…