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.

They call him The Pugilist. It is the dawn of a new century and a vigilante is on the loose. The scourge of the criminal underclass. The saviour of the virtuous and the protector of the weak. The police are baffled, the public enamoured...but Professor George Litefoot and Henry Gordon Jago are on the case. Or at least they will be when they've finished their beer. What is the source of The Pugilist's spectacular supernatural powers? Is he alone in his noble quest?

An epic adventure uniting the Doctor's friends across time and space, featuring Jago & Litefoot, Counter-Measures, the Vault and Gallifrey!

It's 1812, and the Doctor, Steven and Dodo get ready to spend their winter in a Russian village. The French are on their way, but that's not the only invasion the travellers will have to deal with. Written by: Marc Platt. Directed by: Nigel Fairs.

Roanoke Island, 1590. The TARDIS materializes in the past, and the Doctor's companions, Professor Litefoot and Henry Gordon Jago, find themselves prisoners of the natives in the New World. But there's something strange here - stranger than even the colonists, led by Englishman John White. What are the ghostly children? And who is the Old Man of Croaton? The travellers are about to discover the secret of the lost colony...and it may cost Jago's life.

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.

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.

Professor Litefoot and Henry Gordon Jago are accustomed to the murky fog of Victorian London and the palatable pints of half and half at the Red Tavern. They are not used to travelling through time and space with their old friend the Doctor. And now they find themselves whisked off to the planet Venus in the distant future, at a time when warrior women rule from a floating city in the clouds. There’s a mystery here, one that the Grand Empress Vulpina intends to keep secret. Even if it means destroying these visitors from the long-dead planet Earth....

After the mysterious events at Coal Hill School, the British government has created the Counter-Measures group, a specialist team that investigates strange phenomena and dangerous technology. Their first missions will involve a haunted warehouse, a groundbreaking artificial intelligence, a mysterious new town and a threat to the future of the country.... Four full-cast audio dramas plus a behind- the-scenes documentary.

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?

Zagreus sits inside your head. Zagreus lives among the dead. Zagreus sees you in your bed and eats you when you're sleeping....

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 Doctor and Romana find themselves in the Proxima System, where enigmatic Conglomerate CEO Cuthbert has been conducting his infamous 'experiment'. An experiment which might accidentally rip the universe apart. Meanwhile, living conditions on Proxima Major have become harsh and hostile. Climate change has turned the landscape into a freezing wasteland and an alien power has condemned much of the population to life inside internment camps.

Sam Ross is a psychotherapist - she spends her days helping people, but she can barely help herself. She’s still grieving over the recent death of her sister, her mother Barbara offers little support and she’s professionally challenged. One of her clients is Keith, a man whose life story changes with every session. And Keith has a secret - one that will rock Sam’s world to the core and place her in the most terrible danger.

In 525 BC, the Persian king Cambyses sent 50,000 soldiers across the conquered Egyptian desert to take an oasis city not far from where the Libyan border stands today. According to Greek history, a hurricane-force sandstorm struck near the end of their 600-mile trek. The army - all 50,000 men - vanished without a single trace. Fast forward to 1986. A British archaeological team, sent to the edge of the Great Sand Sea to exhume evidence of the incident, has also gone missing.