The Goblins are coming. And they won't let anyone out alive.

    The third Elite Sontaran Assassination Squad closes in on its target. A dozen trained killers, but even they will be unable to bring down the invincible Strang…Manipulated by the Time Lords, the TARDIS also arrives on Dowcra. And the Doctor is set to encounter the greatest Sontaran ever cloned...

    But the TARDIS lands instead in a quiet English village, where they meet the enigmatic collector Harcourt and his family.When people start to die, reality doesn’t appear quite what it was. There’s something sinister going on within the walls of Harcourt’s manor, and the stakes are higher than they can imagine.The Doctor is about to discover that a little knowledge can be a dangerous thing.

    The legend dates back to Roman times, at least: a great White Worm, as wide as a man, slithers out of the rocks of the Dark Peak Gap to take animals, sometimes even children, for its food.When the Doctor and Leela arrive in the wilds of Derbyshire, only to get caught up in the hunt for a missing girl, they soon discover that the legend of the Worm is very much alive – even now, in 1979.Worse still, it seems that the Doctor isn't the only renegade Time Lord on the trail of this deadly and mysterious Worm...

    It is the beginning of a journey that will take them to the newly built Space Dock Nerva... where a long overdue homecoming is expected.A homecoming that could bring about the end of the human race.CHRONOLOGY: This story takes place immediately after The Talons of Weng-Chiang.

    Why would the Doctor imprison one in such an unlikely place, and what terrors will be brought about by letting it loose?

    Henry Gordon Jago: the master of ceremonies at the Alhambra Theatre. These are two very different men from contrasting strata in society who became firm friends and collaborators after their adventure with the Doctor and Leela battling the evil Weng-Chiang.Some years later, Jago and Litefoot have defeated dangerous denizens of the daemonic darkness together. They have stood side by side against threats to the British Empire. But when a body is found on the banks of the River Thames and Litefoot's post mortum reveals that it is actually a highly detailed wooden mannequin, their most dangerous adventure begins.Dr Tulp has masterminded a deadly scheme, Jack Yeovil and his murderous gang plan to live forever, and only Jago and Litefoot can stop them...

    and it may cost Jago's life.CastColin Baker (The Doctor), Christopher Benjamin (Henry Gordon Jago), Trevor Baxter (Professor George Litefoot), Philip Pope (John White), Ramon Tikaram (Wanchese), Mark Lockyer (Sir Walter Raleigh), Emerald O'Hanrahan (Eleanor Dare)

    But where does it start and when does it end?Ancient Carthage. 1164 BC. Lady Cressida has a secret. She keeps it deep in the cisterns below the Temple of Astarte with only one flame for warmth. And it must never get out.Regency London, 1814 AD. The first Doctor, Steven and Vicki go to the fair and meet the fiery Dragon, the novelist Miss Austen and the deadliest weather you ever did see.But which comes first? The Future or the Past? The Phoenix or the Egg? The Fire or the Frost? Or will Time freeze over forever?

    She is a Tracer, sent into our Universe by her makers to locate the six segments of the Key to Time. This being without a name wants the Doctor to be her assistant, but she doesn’t tell him the whole truth. Not at first.Their first port of call is Mars, where a society that one day will become Ice Warriors lives in peace and civility. But the Doctor’s arrival will change all that. The universe is dying, a choice must be made, and the Judgement of Isskar will be declared. The price must be paid - even if it takes centuries…

    This stately home in the depths of Devon has been the site of many an apparition. And now people are turning up dead. The ghosts are wild in the forest. But the Doctor doesn’t believe in ghosts.The TARDIS follows a twist in the vortex to the village of Staffham in 1977 and discovers something is very wrong with time. But spectral highwaymen and cavaliers are the least of the Doctor’s worries.For the Grange is owned by the sinister Jalnik, and Jalnik has a scheme two thousand years in the making. Only the Doctor and Leela stand between him and the destruction of history itself. It’s the biggest adventure of their lives – but do they have the time?The Valley of DeathA century after his Great-Grandfather Cornelius vanished in the Amazon rainforest, Edward Perkins is journeying to the depths of the jungle to find out what became of his ancestor’s lost expedition. Intrigued by what appears to be a description of a crashed spacecraft in the diaries of that first voyage, the Doctor and Leela join him on his quest. But when their plane runs into trouble and ends up crash landing, everyone gets more than they bargained for.The jungle is filled with giant creatures and angry tribesmen, all ready to attack. But in the famed lost city of the Maygor tribe, something far, far worse is lurking. Something with an offer to make to mankind. Who are the Lurons and can they be trusted? Will the Doctor defeat the plans of the malevolent Godrin or will he become just another victim of the legendary Valley of Death?

    Iris Wildthyme.Confronted with memories she knew nothing about, Jo agrees to a meeting with Iris inside her transdimensional bus, and together the three of them take a trip back in time. Back to the 1970s, to UNIT HQ, and a meeting with the only person who knows the whole truth...

    but why remember their murder investigation now?

    His name is Zarl, and he's a fish of utmost evil. Zarl is going to steal all the water of Earth and sell it to the highest bidder. Or blow up the San Andreas fault. Or the planet. Or something like that. He's a bit vague on that point. Fortunately, to stop him there’s help from an unexpected source: a future version of Peri. She knows Zarl's dark secret. But should the future Peri be on Earth at all? Something smells fishy – and it's not just Zarl.

    By pure accident, they also capture the TARDIS.The Doctor and Peri must use all their wits to survive. But what is the creature running loose in the ship's bowels? And can the Doctor save Megaptera before its song is extinguished forever?