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?

    For so long now the Cuddlesomes have been forgotten, lying in attics and junk shops. But now they're waking up. And they want to give a whole generation a long, slow, deadly cuddle.

    The survivors inhabit a world thrown back two hundred years, a world of crop shortages and civil unrest. A world where the brightest and best of its young people are drawn to the xenophobic Earth United group.A world sliding into a new Dark Age, believes Susan Campbell, widow of one of the heroes of the Occupation. A world in need of alien intervention. A world in need of hope.But as Susan takes drastic action to secure the planet's future, she's oblivious to the fact that her student son, Alex, ensnared by Earth United, is in need of alien intervention too. Or so Alex's great-grandfather thinks.

    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...

    When their Time is come, they are taken and never seen again. That is The Way. And, should anyone try to break with the established order of things, then the fury of Herne the Hunter is unleashed...When the TARDIS materializes near a castle in this medieval society, the Doctor and Peri befriend Gurth, a terrified youth who is attempting to flee his fate. And Herne is closing in...Why does the local baron impose the culling? What is the secret of Zeron? And who are the Sentinels of the New Dawn?The answers lie within a cave...

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

    Now available to hear for the first time...The TARDIS has been drawn to Blackpool in the year 1985, where the Doctor intends to investigate a dangerous space/time vortex… while enjoying some local attractions along the way. But an old enemy is watching from his base deep within the amusement park, a timeless being who craves revenge.The Celestial Toymaker has returned. The game is on. And, should he lose, the Doctor will pay the ultimate forfeit...

    He was last sighted taking a shuttle to the holiday resort of Paradise 5, then never seen again.The Doctor's curiosity is piqued. They must investigate, but they must do so stealthily... Peri will go undercover on Paradise 5, while the Doctor hides in the shadows. Because paradise holds a terrible secret beneath the white marble and golden trimmings. The mute Cherubs have a story to tell. And the Elohim are coming.Beware.

    A moment's carelessness could cause the star to collapse – and the deaths of billions.Watched over by liquid guards, the Mercurials, the Doctor's only company at the heart of the sun is his assistant 'Daphne' – the latest in a line of android helpers. But rebel eyes have their eyes on the sun, and its lonely controller – and are prepared to risk even a galactic cataclysm to secure the Doctor's release...

    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...

    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…

    but why remember their murder investigation now?

    Most of the crew are dead, the ship is disintegrating, and the Doctor soon realizes that the problem comes from another dimension…As they attempt to find a way to get the ship home, the Doctor and Peri visit the distant planet Capron and meet its tyrannical ruler Osloo. But the search for a possible solution only creates increasingly dire problems. Osloo's horizons have been widened – and space and time are hers for the taking…

    Transported aboard the Time Lords' orbiting courtroom, the Doctor once again encounters the Valeyard, an amalgamation of the darker sides of his nature. This time, however, the Doctor isn't in the dock. This time, the Valeyard is the defendant, accused of a crime so terrible that the presiding Inquisitor is forbidden to reveal it even to the court, nor even to his counsel for the defence… the Doctor.If the Valeyard is found guilty, he'll be executed. Execute the Valeyard, and the secret of his origins dies with him. A secret that the Doctor is desperate to know… and which the Time Lords will stop at nothing to protect.