The British government has created the Counter-Measures group, a specialist team that investigates strange phenomena and dangerous technology. This box set contains four of their adventures plus a behind-the-scenes documentary.

The universe stands on the brink of a dimensional crisis - and the Doctor and Raine are pulled into the very epicentre of it. Meanwhile, on Earth, UNIT scientific advisor Dr Elizabeth Klein and an incarnation of the Doctor she's never encountered before are tested to the limit by a series of bizarre, alien invasions. At the heart of it all is a terrible secret, almost as old as the Time Lords themselves.

Based on Nigel Fairs' 'murder mystery serial' that has been running for over 21 years (new episodes performed every month in country houses, steam trains, jailhouses, castles and restaurants throughout the UK), Shilling & Sixpence Investigate takes place in a sometimes quirky, sometimes dark world where nobody is quite whom they seem.

The continuing adventures of Henry Gordon Jago and George Litefoot, characters first introduced on television in Doctor Who: The Talons of Weng-Chiang (1977), who have become Infernal Investigators, solving mysteries involving paranormal or alien phenomena in 1880s London.

'Prison in Space' by Dick Sharples, adapted by Simon Guerrier: A relaxing break for the Doctor and his companions Jamie and Zoe becomes something decidedly more sinister when they are arrested for trespassing. But what has happened to the planet Earth? And how has the malevolent Chairman Babs gained control? As the Doctor and Jamie are incarcerated in a prison that they can never escape from, Zoe is forced to change sides....

The Doctor, Susan, Ian and Barbara land on the planet Hydra, where Admiral Jonas Kaan leads a vast flotilla of ships trying to elude the vicious race that has invaded and occupied their world. But his ships are being picked off one by one, vessels and crews dragged underwater by an unseen foe. The time travellers find themselves pitched into battle against the Voord, the ruthless enemy they last encountered on the planet Marinus.

'Farewell, Great Macedon': The TARDIS materialises in the Hanging Gardens of Babylon, one of the Seven Ancient Wonders of the World, in the year 323 BC. The Doctor, Ian, Barbara and Susan meet Alexander the Great - but their excitement is tempered by the realization that these are the final days of Alexander's life. As the travellers become embroiled in the tragic events, the inevitability of history unfolds around them. But can they - and should they - change it?

The Doctor and Romana are enjoying a leisurely lifestyle as the Lord and Lady of a London townhouse. But trouble never stays away from them for long, and before they know it a chance discovery of alien technology leads them deep into the heart of the English countryside, where a malign presence lurks. As the Doctor dodges deadly butlers and ferocious gamekeepers, Romana is faced with a malevolent aunt and an even deadlier peril - marriage. Directed by Ken Bentley.

When a test flight of the new Kith Sunstorm ends in disaster, the Sirius Exhibition Station is plunged into a web of murder and intrigue. Someone - or something - is trying to reignite a war between the Varlon Empire and the Kith Oligarchy. As the fate of the galaxy hangs in the balance, only two investigators, the Doctor and Lucie, can hope to uncover the truth. So strap yourself in, engage thrust, and prepare for...Max Warp!

When the Doctor and Donna visit London's Technology Museum for a glimpse into the future, things don't go to plan. The most brilliant IT brain in the country can't use her computer. More worrying, the exhibits are attacking the visitors, while outside, people seem to be losing control of the technology that runs their lives. Is it all down to simple human stupidity, or is something more sinister going on?

The Tardis lands in a forbidding castle in a time of religious upheaval. The old god has been overthrown, and all heretics are to be slaughtered. Obviously it isn't the sort of thing which would happen there every day - just every few years or so. And when the Doctor and Frobisher are hailed as messengers from heaven, they quickly become vital to opposing factions in their struggle for power. But will they be merely the acolytes of the new order - or will they be made gods themselves?

The grisly serial killings of prostitutes and vulnerable women in Victorian Whitechapel, dubbed by the popular press as the work of 'Jack the Ripper', are the talk of London, and from deep within the smog-ridden slums, yet another piercing shriek is heard. Sherlock Holmes and Dr. John H. Watson are drawn into one of the darkest plots ever to shake the foundations of England. There are freemasons, conspiracies and plots at the highest level of the establishment.

A threat to Holmes' life, murders on Hampstead Heath and a deadly phantom lady lead Holmes and Watson into the most dangerous investigation they have ever undertaken.... An encounter which brings them face to face with evil itself, embodied in Count Dracula, the Lord of the Undead.

Twas the night before Christmas, and all through the house not a creature was stirring.... But something must be stirring. Something hidden in the shadows. Something which kills the servants of an old Edwardian mansion in the most brutal and macabre manner possible. Exactly on the chiming of the hour, every hour, as the grandfather clock ticks on towards midnight. Trapped and afraid, the Doctor and Charley are forced to play detective to murders with no motive, where even the victims don't stay dead.

Sometimes being a time-travelling adventurer just isn't easy. For a start there's a temperamental TARDIS that lands a few thousand years off course in 17th-century Paris. But why shouldn't the Doctor, Peri and their travelling guest, Erimem, take a look around the city on the morning of King Louis' annual State Ball? As Peri becomes embroiled in a plot to kill Queen Anne and smash the unity of the Church and the Crown, the Doctor finds himself duelling musketeers on the streets.