Ares One: NASA's first manned mission to the dead planet Mars. But is Mars as dead as it seems? While the NASA team investigate an 'anomaly' on the planet's surface, the Doctor and Peri find themselves inside a strange alien building. What is its purpose? And what is frozen inside the blocks of ice that guard the doorways? If the Doctor has a sense of deja vu, it's because he's about to meet some old adversaries as well as some new ones.... Written by: Justin Richards. Directed by: Gary Russell.

Two RAF fighter jets are on a training flight over Northeast Scotland when one of them is plucked from the air and promptly disappears. UNIT are called in, and the Doctor and Brigadier Lethbridge-Stewart are soon on the scene. They enlist the help of a local military officer - a young lieutenant by the name of Mike Yates. The Doctor discovers a link to the recumbent stone circles that are plentiful in this part of Scotland. The stones are thousands of years old and are soon revealed to hold a terrible secret.

Shoreditch, London, 1963. The Beatles have beaten John Smith and the Common Men to number one, and satellites are being launched in outer space. Back down on Earth, strange goings-on are occurring: the normally placid teenagers of Coal Hill are running riot, and a master thief is stealing highly specialised equipment. Schoolgirl Susan Foreman just wants an easy life for herself and her grandfather, the mysterious Doctor.

Gallifrey is in a state of crisis, facing destruction at the hands of an overwhelming enemy. And the Doctor is involved in three different incarnations - each caught up in a deadly adventure, scattered across time and space. The web of time is threatened - and someone wants the Doctor dead. The three incarnations of the Doctor must join together to set time back on the right track - but in doing so, will they unleash a still greater threat?

The Doctor and Leela find themselves in the middle of London at the time of a new energy crisis. The GlobeSphere Corporation seems to have all the answers - but several thousand protestors beg to differ. What is the connection between the National Gallery and a base on the moon? Has radical thinker Damien Stephens simply sold out, or does he have a more sinister agenda?

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 library on Kar-Charrat is one of the wonders of the universe. It is also hidden from all but a few select species. The Doctor and Ace discover that the librarians have found a new way of storing data - a wetworks facility - but the machine has attracted unwanted attention, and the Doctor soon finds himself pitted against his oldest and deadliest enemies - the Daleks! Written by: Mike Tucker. Directed by: Nicholas Briggs.

Tracking a nexus point in time, the Doctor meets Dr. Evelyn Smythe, a history lecturer whose own history seems to be rapidly vanishing. The Doctor must travel back to Tudor times to stabilise the nexus and save Evelyn's life. But there he meets the Queen of England and uses all his skills of diplomacy to avoid ending up on the headman's block.... Written by: Jacqueline Rayner. Directed by: Gary Russell.

One would-be assassin is in a mental ward. Another's on the run. Their intended victim is stirring up the mobs. Terrorists are planning a strike of their own. A talk-radio host is loving every minute of it. A Whitehall insider whispers about a mysterious UN operative with a hidden agenda. Everyone's got someone they want to be afraid of. It'll take only a little push for the situation to erupt - and something is doing the pushing. But you can trust the Doctor to put things right. Can't you? Written by: Jonathan Blum.

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.

Big Finish's first Fourth Doctor adventure. A great jumping-on point.... After saying their good-byes to Professor Litefoot and Henry Gordon Jago, the Doctor and Leela respond to an alien distress call beamed direct from Victorian England. 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. Written and directed by Nicholas Briggs.

In a desolate Cornish landscape littered with relics of prehistoric man, the Doctor and Evelyn uncover a catalogue of mysteries. What is the secret of the fog? Can the moor be haunted by a demonic host of imps? And what is Brigadier Lethbridge-Stewart doing in Pengriffen? Teaming up with his old friend, the Doctor realises that an ancient conflict is nearing its conclusion - and Lanyon Moor is set to be the final battleground. Written and directed by Nicholas Pegg.

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.

To continue Leela’s education, the Doctor promises to take her to the famous Morovanian Museum. 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.

Twenty-third November 2013. In an Oxford laboratory, graduate Alice Watson helps Professor Chivers assemble the final pieces of an impossible machine. A time machine. The scientist and his assistant believe they are making history, little suspecting that the project's completion will threaten the existence of the entire universe. But someone has sensed the danger, and when the mysterious Doctor arrives, Alice is taken on a desperate race from libraries and dreaming spires all the way to the nightmare world of Earth's future.