The TARDIS's power is drained away just as the Doctor receives a dire warning from the White Guardian.
The Cybermen are on the march. Truths are revealed, and for the Doctor nothing will ever be the same.
The Master has been declared a messiah by the Sarns and under his influence they imprison the Doctor.
Sarah has been captured by Styre who is conducting experiments on the captured humans.
Returning to the Moonbase, the Doctor confronts Slaar and the remaining Ice Warriors.
The Cranleighs ask the Doctor to play cricket and then join them for a masked ball.
The Doctor realises that Striker and his officers are Eternals and that the human crew mean nothing to them.
A volcanic eruption is threatening to destroy the inhabitants of Sarn, the Doctor manages to stabalise the seismic events but for how long? Turlough faces an agonising decision about whether to contact his home planet of Trion for help, he explains that he was sent away to Earth as an outlaw.
The Daleks weaponry is rendered useless by the power drain and they are forced to make a truce.
The evil Chessene puts in motion her plan to acquire the power of time travel.
Using Travers's body, the Great Intelligence demands that the Doctor allows his mind to be drained.
The Doctor stands accused, despite Lady Cranleigh knowing he is innocent.
Someone is deliberately attempting to provoke a war between Earth and Draconia.
The moonbase is cut off from Earth and under siege. The Cybermen launch an all-out attack.
The Sontarans have taken control of the Capital on Gallifrey and intend to use the power of the Time Lords.
The Doctor is eager to make peace between the Sea Devils and the humans.
Episode 1 of 4 from The Ark
The Doctor, Steven and Dodo are accused of bringing the plague when Dodo's cold turns deadly.
The night before her wedding, Gwen is juggling work with her hen night.
The Doctor and Leela take refuge at the home of Professor Litefoot.
The Doctor, Sarah and Scorby are hunted down by the mad Harrison Chase.
The Keller Machine breaks free of the Doctor's restraining device. The Doctor turns it against the Master.
Episode 4 of 6 from The Web Planet
Ian and Vrestin fall into caverns beneath the surface of Vortis and encounter the Optera.
As the Silurian plague quickly spreads, the Doctor desperately searches for a cure.
Episode 3 of 7 from Marco Polo
At the Cave of Five Hundred Eyes, Tegana has a secret meeting with a bandit who he instructs to kill Marco Polo.
The Doctor travels to the planet Logopolis in the TARDIS where a series of fateful events are set in motion.
Captain Wrack manipulates Turlough, because she is also working for the Black Guardian.
In the planets' caves war rages between government troops and the android warriors of Sharaz Jek.
The Time Lords send the Doctor to Skaro at a point in time shortly before the creation of the Daleks.
Mistaken for pirates, the travellers are attacked by Space Corps soldiers. Then the real space pirates arrive.
Deadly androids are protecting a bomb buried beneath the Earth from all investigation.
The race for the Enlightenment is over and a winner has been crowned. Turlough must make a decision.
Military captive Salateen tells Peri and the Doctor they are dying from spectrox tomaemia.
The Daleks force the Exillons to work as slave labour to mine the life saving parrinium.
As rebellion grows on Karfel, the Maylin's daughter Vena falls into the timelash while protecting a rebel.
The traitor is revealed and all seems lost as the Doctor submits himself to the Great Intelligence's mind drain.
With her crew vanishing mysteriously, Captain Briggs assumes the Doctor is the guilty party.
Accused of being spies, the Doctor is sentenced to imprisonment on the Moon.
The Doctor discovers an ideal community, but there is a rebel in their midst.
Stor, the Sontaran leader, finally gains access to the TARDIS in search of the Great Key of Rassilon.
Jo attempts to rescue the Doctor who is being held prisoner by the Master and Trenchard.
Episode 2 of 4 from The Ark
The lives of the Doctor, Steven and Dodo hang in the balance as the Doctor attempts to find a cure.
As bodies are found, in a state between life and death, Torchwood must act fast. Who are the Night Travellers?
Leela takes the opportunity to track the Chinese God to his lair where she must confront one of his terrifying creations.
Axos, a living spacecraft, lands and offers Earth a new energy source - Axonite.
Episode 5 of 6 from The Web Planet
The Doctor and Vicki escape the Carsinome. Barbara and a few of the Menoptra hide in an ancient temple.
With the antidote to the plague found, the Silurians retaliate and take over the research centre.
Episode 4 of 7 from Marco Polo
In an effort to divert attention from himself, Tegana encourages Marco to be suspicious of the Doctor.
The Master is loose on Logopolis and is determined to learn the planet's secret, but there is more at stake.
At a medieval joust between Frenchman Sir Gilles and Hugh Fitzwilliam, the TARDIS appears.
On Androzani Major, Sharez Jek insanely believes Peri will fall in love with him.
The Doctor finds that some of Davros’s fellow Kaleds are unhappy with the development of the Daleks.
Trapped inside a segment of the beacon, the air supply is running out for the Doctor, Jamie and Zoe.
The Cybermen are released from their silos and are on the march, attacking Briggs's crew.
The Master and the Doctor fight for control over Kamelion's mind while Turlough and Tegan make new allies.
Events on Androzani reach a bloody climax. Morgus is ruined, exposed as the one funding Jek’s gunrunners.
The Doctor and Bellal arrive at the centre of the Exxilon city but the Daleks are preparing to depart.
The Borad accepts no opposition and enables Maylin Tekker to expose the rebels and trap Peri with the Morlox.
A gas refinery is experiencing problems and a sinister heartbeat is throbbing through the pipes.
The Doctor realises the freighter is now a huge bomb and sends it back through time.
The Doctor and Jo are the Master’s prisoners. In a bid to escape, the Doctor makes a dangerous spacewalk.
Ben has been brainwashed, Polly tries to escape from Ben but runs straight into the claws of the Macra.
The Doctor attempts to persuade Captain Hart of the danger that the Master represents.
Episode 3 of 4 from The Ark
The travellers discover that the humans have been enslaved by their former servants, the Monoids.
When a local teenager disappears, Gwen is drawn into an investigation that reveals a darker side of Torchwood.
The Doctor and Leela attend Li H'Sen Chang's performance, hoping to confront the magician.
The Doctor quickly discovers that the miracle Axonite substance is not as benign as it seems...
Episode 6 of 6 from The Web Planet
The Menoptra attack the Carsinome and the Doctor and his friends come face-to-face with the Animus.
As each team member’s life flashes before their eyes, flashbacks reveal how each of them was recruited to Torchwood.
UNIT is called in and the Doctor learns that someone is sending messages to the vessel.
Episode 5 of 7 from Marco Polo
Ping Cho returns the TARDIS key to Susan so that the travellers might escape. But Tegana has other plans.
With the fate of the entire universe hanging in the balance, the Doctor and the Master are forced to collaborate.
The mysterious Professor Edgeworth has kidnapped twin human child genii, Romulus and Remus.
The Doctor informs the Kaled government of Davros's experiments and they move to shut down the bunker.
The Doctor, Jamie and Zoe join Clancey aboard his ship which is being pursued.
A Concorde passenger jet seemingly vanishes on its final approach to Heathrow Airport.
The Doctor must try to work out why the mysterious Kalid has drawn them into the Jurassic period on Earth.
On Jaconda, Mestor’s cruel domination over the planet's population continues.
The Doctor makes a return visit to Peladon some years after his previous visit.
The Doctor and Peri arrive on Necros to attend the funeral of an old friend of the Doctor who has recently died.
As the situation worsens at the refinery, Chief Robson refuses to halt the gas flow.
On Draconia, the Doctor reveals the Master’s plan to provoke war to the Draconian Emperor.
The Doctor, Polly and Jamie are sent to the salt mines and discover their frightening secret.
The Doctor is captured by the Sea Devils and taken to their undersea base.
Episode 4 of 4 from The Ark
The Monoids plan to blow up the ark with a bomb which is hidden somewhere on the ship.
Documentary about the 2005 revival of Doctor Who, featuring cast interviews and behind the scenes footage.
A look at the inspiration behind Christopher Eccleston's Doctor.
When Rose Tyler meets a mysterious stranger called the Doctor, her life will never be the same again.
The Doctor and his allies try to track down Weng-Chiang.
Axos puts its plan to drain the Earth of its energy in motion. The Brigadier must turn to an unlikely ally to stop it…
Episode 1 of 4 from The Crusade
In 12th Century Palestine, the Doctor, Ian, and Vicki help King Richard. Ian is determined to rescue Barbara.
Recovery 7 has returned to Earth but the UNIT convoy transporting the capsule is ambushed.
Episode 6 of 7 from Marco Polo
Ian follows Ping Cho to Cheng-Ting and there discovers that the TARDIS has been stolen by Tegana's allies.
Deep inside the citadel, the Doctor discovers the legendary Xeraphin who were believed to have been wiped out long ago.
Mestor claims that all he wants is for the Sylvest twins to help him repopulate his home planet.
When the Kaled dome is destroyed by the Thals' rocket, the war appears to be over.
In the tunnels beneath Ta, the Doctor, Jamie and Zoe are rescued from their cell by Milo Clancey.
The Doctor must try and return the Concorde passengers back to their own time.
Mestor’s true plan is revealed and the Doctor's old Gallifreyan friend Azmael comes to the realisation that he has been
Chancellor Ortron accuses the Doctor and Sarah of being in league with the rebel miners.
Davros plans to create an army of Daleks loyal to him but the Daleks have other plans.
Chief Robson refuses to acknowledge that matters have escalated beyond his ability to control them.
The search for Clara brings the Doctor to London, 2013, where something deadly is waiting in the Wi-Fi.
The Doctor leads a mission to the Ogron home world to apprehend the Master and rescue Jo.
Behind-the-scenes look at Doctor Who and his companion for the third series, Martha Jones
An ordinary day for Martha Jones turns into a nightmare when her entire hospital is transported to the Moon.