The Best Episodes Written By Russell T Davies

Old Companions Sarah Jane Smith and Jo Grant meet for the first time to discover the truth when the Doctor is declared dead. An interstellar conspiracy gathers around UNIT Head Quarters as Clyde finds that he holds the fate of the Time Lord in his hand.

Old friends fight together - but is it too late to stop the sinister Shansheeth?

Torchwood is defenceless, and Gwen Cooper stands alone, as the final sanction begins. As violence erupts and the world descends into anarchy, an ordinary council estate becomes a battleground where the future of the human race will be decided.

Humanity is caught in the crossfire as the Cybermen and the Daleks wage war against each other. When the mysterious Genesis Ark opens, the Tenth Doctor is faced with an impossible decision: saving the world could mean losing Rose Tyler forever…

The fate of the Universe is hanging in the balance as the Dalek fleet begin their invasion of Earth. The Doctor must decide whether to sacrifice every human being on Earth in order to save every other living creature in the universe from the Daleks. Either way, he knows he must send Rose home...

While visiting the planet Midnight, a beautiful and luxury planet, full of lavishs and hightech cities, a terrifying problem arises that leaves The Doctor powerless.

At 8.45am, every child in the world suddenly stops, chanting the words "we are coming" again and again. Whilst investigating, the remaining Torchwood team face greater personal and professional challenges than ever before, having to work with their numbers depleted.

The eyes of the world turn to Britain, as the 456 announce, 'We are here'. As a pillar of fire descends upon London, the members of Torchwood must battle to protect their own families, as the fight gets personal. But will Clem's memories destroy everything?

As the Torchwood team launch a final, desperate mission against the seemingly undefeatable Three Families, they realize it may come down to the ultimate sacrifice.

Harry Saxon becomes Prime Minister and his reign of terror begins – but that's only the start of his ambitions, as he announces mankind's first contact with an alien race, the Toclafane. An audacious plan spanning the whole of time and space begins to close around the Earth, in the penultimate episode of Russell T Davies's Doctor Who.

The Earth has been overwhelmed and the universe faces dominion by the resurgent forces of a terrifying and limitless empire led by one of The Doctor's greatest enemies. Aiding the Time Lord in a final battle are several of his closest allies and companions, but for one of them, a price will be paid...

Whilst attending a carnival on the Chino-planet of Shan Shen, Donna is cajoled into having her fortune read, where her past is carefully examined. With the Doctor missing, Donna must work with Rose, a traveller from a parallel universe, to prevent darkness encompassing the whole of the universe.

In a seemingly futuristic world, the Doctor wakes up in the Big Brother house during an eviction, Rose wakes up on the Weakest Link with the Anne-Droid, and Captain Jack gets a make over with Trin-E and Zu-Zana. But something unusual is happening, and the losing contestants are being disintergrated. Obviously, it's time for the Doctor to investigate. Who or what is behind this?

The Earth has been moved, and it's a race against time as Donna and the Doctor try to find it before the Daleks destroy everything; they head for the Shadow Proclamation and the Medusa Cascade. Meanwhile on Earth a veritable bevy of ex-companions join together to contact the Doctor and take down the Daleks. Can Captain Jack, Sarah-Jane, Martha Jones and Rose find the Doctor in time...

Ghostly beings have been regularly appearing across the world and people, believing them to be their dead loved ones, are welcoming their visits with open arms. When the TARDIS arrives at the Torchwood Institute, the Tenth Doctor and Rose are taken prisoner. They are drawn into the investigation of a mysterious sphere kept in Torchwood Tower, and monstrous foes return as two universes collide.

After being brought back to life in The Parting of the Ways, Captain Jack Harkness was just left on the Gamestation by the Doctor and Rose. In this episode, Captain Jack Harkness storms back into the Doctor's life, and the TARDIS is thrown to the end of the universe itself.

Nathan tells his friend Donna that he fancies a male pupil, and had met and had sex with Stuart. She thinks it's great. Stuart meets a man at work who is married with kids, and they have sex. Marcie informs Vince that new recruit Rosalie fancies him. She arranges for them to meet in a pub after work.

Nathan wakes up with Daniel, aka Dazz, not much older than him but more experienced. Stuart wakes up with two more attractive strangers.

Stuart and Marie visit their parents. It's obvious that this is a rare occurrence and that, surprisingly, Stuart has never discussed his sexuality with them, which puts constraints on their relationship. Meanwhile Vince takes Cameron to meet his mum.

An investigation into multiple attacks on horses across the country reveals a mysterious website game called 'Amathus', where real life players are sucked into a violent reality where they must commit acts of violence in order to secure points and win prizes. When the next level of play results in a triple murder, Creegan realises he is running out of time. Meanwhile, an unstable Kreitman confesses to Creegan that he was responsible for Ronald Hinks' death.

As Jeremy gets one step closer to becoming prime minister, Norman demands that old promises should be honoured. With the old affair with Norman threatening to derail his political career, will Jeremy stop at nothing to silence him?

Trainee doctor Martha Jones has her hands full balancing her medical studies with placating her demanding family. So the last thing she needs is to find that the hospital where she works has been transported to the moon, where it's invaded by an overbearing alien police force. There she encounters a patient called John Smith, who seems curiously at ease with the situation…

One year has passed since the events of "The Sound of Drums." The Earth has been conquered and its population enslaved, the Doctor is the Master's prisoner, and the warships of a new Time Lord Empire rise from the ashes. The fate of the world is in Martha Jones' hands.

Having survived a bungled attempt on his life, Norman Scott publicly accuses Jeremy Thorpe of being behind a plot to kill him. After years of acrimony between them, Norman and Jeremy finally go head to head in court with the world watching.

The Doctor takes Martha to New Earth, in the far future, only to find that an entire city has become a deadly trap.