George's friend, Kaz, arrives at the flat with a staggering request: she and her partner Gail want to have a child, and they'd like George to be the father. George is warming to the idea - he's always wanted kids, and he can be as involved in the baby's life as he wishes - but he is wary: what if his condition is genetic?Mitchell and Annie don't approve of the new plan, but Mitchell is wrestling with a difficult decision of his own. A patient at the hospital, Leo, is surprisingly g...

For Donna Noble, the Andromeda galaxy is a long, long way from home. But even two and a half million light years from Earth, danger lurks around every corner...A visit to an art gallery turns into a race across space to uncover the secret behind a shadowy organisation.From the desert world of Karris to the interplanetary scrapyard of Junk, the Doctor and Donna discover that appearances can be deceptive, that enemies are lurking around every corner - and that the centuries-l...

When the TARDIS makes a disastrous landing in the swamps of the planet Sunday, the Doctor has no choice but to abandon Martha and try to find help. But the tranquillity of Sunday's swamps is deceptive, and even the TARDIS can't protect Martha forever.The human pioneers of Sunday have their own dangers to face: homeless and alone, they're only just starting to realise that Sunday's wildlife isn't as harmless as it first seems. Why are the native otters behaving so strangely, and wha...

For Donna Noble, the Andromeda galaxy is a long, long way from home. But even two-and-a-half-million light years from Earth, danger lurks around every corner... A visit to an art gallery turns into a race across space to uncover the secret behind a shadowy organization. From the desert world of Karris to the interplanetary scrapyard of Junk, the Doctor and Donna discover that appearances can be deceptive, that enemies are lurking around every corner, and that the centuries-long peace betwe...

George's friend, Kaz, arrives at the flat with a staggering request: she and her partner Gail want to have a child, and they'd like George to be the father. George is warming to the idea - he's always wanted kids, and he can be as involved in the baby's life as he wishes - but he is wary: what if his condition is genetic? Mitchell and Annie don't approve of the new plan, but Mitchell is wrestling with a difficult decision of his own. A patient at the hospital, Leo, is surprisingly good com...

When the TARDIS makes a disastrous landing in the swamps of the planet Sunday, the Doctor has no choice but to abandon Martha and try to find help. But the tranquillity of Sunday's swamps is deceptive, and even the TARDIS can't protect Martha forever. The human pioneers of Sunday have their own dangers to face: homeless and alone, they're starting to see that Sunday's wildlife isn't as harmless as it appears. Why are the otters behaving so strangely, and what is the creature in the swamps ...

Tiermann's World: a planet covered in wintry woods and roamed by sabre-toothed tigers and other savage beasts. The Doctor is here to warn Professor Tiermann, his wife and their son that a terrible danger is on its way. The Tiermanns live in luxury, in a fantastic, futuristic, fully-automated Dreamhome, under an impenetrable force shield. But that won't protect them from the Voracious Craw. A huge and hungry alien creature is heading remorselessly towards their home. When it arrives everyth...

Edinburgh, 1759. The Nor’ Loch is being filled in. If you ask the soldiers there, they’ll tell you it’s a stinking cesspool that the city can do without. But that doesn’t explain why the workers won’t go near the place without an armed guard. That doesn’t explain why they whisper stories about the loch giving up its dead, about the minister who walked into his church twelve years after he died... It doesn’t explain why, as they work, they whisper about a man called the Doctor. And about th...

At the heart of the ruined city of Arcopolis is the Fortress. It’s a brutal structure placed here by one of the sides in a devastating intergalactic war that’s long ended. Fifteen years ago the entire population of the planet was killed in an instant by the weapon housed in the heart of the Fortress. Now only the ghosts remain. The Doctor arrives, and determines to fight his way past the Fortress’ automatic defences and put the weapon beyond use. But he soon discovers he’s not the only per...

Earth, 2099, and global warming is devastating the planet. In a desperate attempt at preservation, the governments of the world have removed vast sections of the Arctic and Antarctic and set them inside huge domes. When the TARDIS arrives, the Doctor and Martha soon discover that it's not only ice and snow that has been preserved beneath Snowglobe 7. While Martha struggles to help with an infection sweeping through the Dome, the Doctor discovers an alien threat that has lain hidden since t...

The Doctor's been everywhere and everywhen in the whole of the universe and seems to know all the answers. But ask him what happened to the Starship Brilliant and he hasn't the first idea. Did it fall into a sun or black hole? Was it shot down in the first moments of the galactic war? And what's this about a secret experimental drive? The Doctor is skittish, but if Martha is so keen to find out he'll land the TARDIS on the Brilliant, a few days before it vanishes. Then th...

A vast starship, seemingly deserted, is spinning slowly in the void of deep space. Martha and the Doctor explore this drifting tomb and discover that they may not be alone after all. Who survived the disaster that overcame the rest of the crew? What continues to power the vessel? And why has a stretch of wooded countryside suddenly appeared in the middle of the craft? As the Doctor and Martha journey through the forest, they find a mysterious, fog-bound village - a village traumatised by m...