Doctor Who poster

TV series

Doctor Who

1963TV-PG26 seasons7.9 / 10

The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.

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Where to watch in United States

Checked Jul 22, 2026

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Synopsis

The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.

Season 15 episodes

Choose an episode, then use the watch options above for the show.

← Season 14

Episode 1

Horror of Fang Rock (1)

25m7.8 / 10

The English channel, the 1900s AD. The TARDIS lands on barren Fang Rock, inhabited until now only by three lighthouse keepers. But what is the strange fog covering the island, and can it be connected to the falling star sighted earlier that night?

Episode credits

Directed by Paddy RussellWritten by Terrance DicksGuest stars Colin Douglas, John Abbott, Ralph Watson

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Episode 2

Horror of Fang Rock (2)

25m7.6 / 10

The survivors of a wrecked ship are stranded with the lighhouse crew on Fang Rock as a deadly menace slithers through the fog. Has the Beast of Fang Rock returned?

Episode credits

Directed by Paddy RussellWritten by Terrance DicksGuest stars Colin Douglas, John Abbott, Sean Caffrey, Alan Rowe, Rio Fanning, Annette Woollett

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Episode 3

Horror of Fang Rock (3)

25m7.5 / 10

The Doctor barricades everyone in the lighthouse to protect them from the mysterious deadly creature in the fog. But it may already be inside, biding its time…

Episode credits

Directed by Paddy RussellWritten by Terrance DicksGuest stars Colin Douglas, John Abbott, Sean Caffrey, Alan Rowe, Rio Fanning, Annette Woollett

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Episode 4

Horror of Fang Rock (4)

25m7.6 / 10

The Rutan starts picking off the surviving humans one by one as the Doctor and Leela struggle to defeat not only the alien but an entire fleet waiting to occupy Earth.

Episode credits

Directed by Paddy RussellWritten by Terrance DicksGuest stars Colin Douglas, John Abbott, Sean Caffrey, Alan Rowe, Annette Woollett

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Episode 5

The Invisible Enemy (1)

25m6.9 / 10

Deep space, 5000AD. An Earth supply shuttle is infected by a strange sentient space-borne virus, which quickly spreads to the crew of the refuelling station on the moon Titan. Even worse, the Doctor himself falls victim. But why is Leela immune, and what is the virus's ultimate goal?

Episode credits

Directed by Derrick GoodwinWritten by Dave Martin, Bob BakerGuest stars Michael Sheard, Brian Grellis, Edmund Pegge, Jay Neill, Anthony Rowlands, Cy Town

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Episode 6

The Invisible Enemy (2)

25m7.0 / 10

Leela and Lowe take the Doctor to the Bi-Al Foundation for help. But how can they cure an infection of the mind?

Episode credits

Directed by Derrick GoodwinWritten by Dave Martin, Bob BakerGuest stars Michael Sheard, Brian Grellis, Frederick Jaeger, Roy Herrick, Elizabeth Norman, Nell Curran, Jim McManus, Roderick Smith

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Episode 7

The Invisible Enemy (3)

25m7.3 / 10

Miniaturised clones of the Doctor and Leela are injected into his brain. But they must now fight the virus on its own level. And its servants are closing in around them.

Episode credits

Directed by Derrick GoodwinWritten by Dave Martin, Bob BakerGuest stars Michael Sheard, Frederick Jaeger, Roy Herrick, Elizabeth Norman, Jim McManus, Roderick Smith, Pat Gorman, John Scott Martin

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Episode 8

The Invisible Enemy (4)

25m7.1 / 10

The Nucleus, now grown to human size, is determined to spawn and take over the Galaxy. Only the Doctor and Leela can stop it.

Episode credits

Directed by Derrick GoodwinWritten by Dave Martin, Bob BakerGuest stars Michael Sheard, Brian Grellis, Frederick Jaeger, Jim McManus, Pat Gorman, John Scott Martin

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Episode 9

Image of the Fendahl (1)

25m6.6 / 10

England, the late 1970s. At Fetch Priory, Dr Fendelman's experiments with the new Time Scanner are disrupted by the mysterious death of a hiker, nearby. Then there's the mysterious skull, also being used as part of his work. A skull that seems to predate the evolution of mankind. What is the true role of the Fendahl in humanity's evolution?

Episode credits

Directed by George Spenton-FosterWritten by Chris BoucherGuest stars Wanda Ventham, Daphne Heard, Denis Lill, Edward Evans, Scott Fredericks, Edward Arthur, Derek Martin, Graham Simpson

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Episode 10

Image of the Fendahl (2)

25m6.5 / 10

The mystery surrounding the strange skull deepens. Thea is slowly succumbing to its influence while the Doctor prepares to battle a creature from mythology.

Episode credits

Directed by George Spenton-FosterWritten by Chris BoucherGuest stars Wanda Ventham, Daphne Heard, Denis Lill, Edward Evans, Scott Fredericks, Edward Arthur, Geoffrey Hinsliff, Derek Martin

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Episode 11

Image of the Fendahl (3)

25m6.8 / 10

While Max prepares to tap supernatural forces beyond imagining, the Doctor and Leela investigate the legend of the Fendahl.

Episode credits

Directed by George Spenton-FosterWritten by Chris BoucherGuest stars Wanda Ventham, Daphne Heard, Denis Lill, Edward Evans, Scott Fredericks, Edward Arthur, Geoffrey Hinsliff

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Episode 12

Image of the Fendahl (4)

25m6.7 / 10

The Fendahl is returning to life, ready to consume everything in its path. Can the Doctor find a way to kill death itself?

Episode credits

Directed by George Spenton-FosterWritten by Chris BoucherGuest stars Wanda Ventham, Daphne Heard, Edward Evans, Scott Fredericks, Edward Arthur, Geoffrey Hinsliff

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Episode 13

The Sun Makers (1)

25m6.9 / 10

Pluto, the distant future. The planet has been terraformed and is now orbited by artificial suns, provided by the rapacious company who ruthlessly exploit the relocated human workforce. The Doctor, Leela, and K9 arrive and befriend a luckless drone worker, but they must flee with him to the dark undercity...

Episode credits

Directed by Pennant RobertsWritten by Robert HolmesGuest stars Richard Leech, Jonina Scott, Roy Macready, William Simons, Michael Keating, Adrienne Burgess, Carole Hopkin, Max Faulkner

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Episode 14

The Sun Makers (2)

25m7.0 / 10

The Doctor has been captured by the Gatherer. Leela works to free him but the Gatherer is already laying his own plans…

Episode credits

Directed by Pennant RobertsWritten by Robert HolmesGuest stars Richard Leech, Jonina Scott, Roy Macready, William Simons, Michael Keating, Adrienne Burgess, Henry Woolf, David Rowlands

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Episode 15

The Sun Makers (3)

25m7.3 / 10

Now Leela is the prisoner of the Collector. He knows of the Doctor and is determined to rid himself of both of them.

Episode credits

Directed by Pennant RobertsWritten by Robert HolmesGuest stars Richard Leech, Jonina Scott, Roy Macready, William Simons, Michael Keating, Adrienne Burgess, Henry Woolf, David Rowlands

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Episode 16

The Sun Makers (4)

25m7.0 / 10

The Doctor now moves to completely overthrow the Company. But the Collector has one last trump card to play.

Episode credits

Directed by Pennant RobertsWritten by Robert HolmesGuest stars Tom Kelly, Richard Leech, Jonina Scott, Roy Macready, William Simons, Michael Keating, Adrienne Burgess, Henry Woolf

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Episode 17

Underworld (1)

25m6.0 / 10

Deep space, an unknown time. The Doctor encounters the Minyans, survivors of a race the Time Lords unwittingly obliterated early in their own history. The Minyans are searching for their race's lost gene banks, a quest which takes them to the edge of the galaxy…

Episode credits

Directed by Norman StewartWritten by Dave Martin, Bob BakerGuest stars James Maxwell, Alan Lake, Jonathan Newth, Imogen Bickford-Smith

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Episode 18

Underworld (2)

25m6.0 / 10

After 100,000 years, the Minyans have found the long-lost P7E. But what awaits them on the ship, long buried in the core of a newborn planet?

Episode credits

Directed by Norman StewartWritten by Dave Martin, Bob BakerGuest stars James Maxwell, Alan Lake, Jonathan Newth, James Marcus, Imogen Bickford-Smith, Godfrey James, Norman Tipton, Jay Neill

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Episode 19

Underworld (3)

25m6.0 / 10

The Minyans have, at long last, found the P7E. But a host of guards and robotic seers stand between them and the race banks.

Episode credits

Directed by Norman StewartWritten by Dave Martin, Bob BakerGuest stars James Maxwell, Alan Lake, Jonathan Newth, James Marcus, Imogen Bickford-Smith, Godfrey James, Norman Tipton, Frank Jarvis

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Episode 20

Underworld (4)

25m6.3 / 10

The Minyons struggle to gain the precious race banks from the Oracle. But perhaps it is giving in a little too easily ...

Episode credits

Directed by Norman StewartWritten by Dave Martin, Bob BakerGuest stars James Maxwell, Alan Lake, Jonathan Newth, James Marcus, Imogen Bickford-Smith, Godfrey James, Norman Tipton, Frank Jarvis

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Episode 21

The Invasion of Time (1)

25m7.3 / 10

Gallifrey, world of the Time Lords. The Doctor returns and claims the vacant presidency. But his behaviour is erratic and his motives mysterious.

Episode credits

Directed by Gerald BlakeWritten by Anthony Read, Graham WilliamsGuest stars Stan McGowan, Tom Kelly, Chris Tranchell, Milton Johns, John Arnatt, Dennis Edwards, Reginald Jessup, Charles Morgan

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Episode 22

The Invasion of Time (2)

25m7.1 / 10

The Doctor is made president of the Time Lords. He immediately orders K-9 to lower the planet's defences and has Leela banished to the wilderness.

Episode credits

Directed by Gerald BlakeWritten by Anthony Read, Graham WilliamsGuest stars Stan McGowan, Chris Tranchell, Milton Johns, John Arnatt, Charles Morgan, Dennis Edwards, Tom Kelly, Christopher Christou

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Episode 23

The Invasion of Time (3)

25m6.6 / 10

The Doctor has betrayed his own people and enabled a Vardan invasion of Gallifrey. Leela joins forces with the Outsiders and prepares to strike back against the aliens.

Episode credits

Directed by Gerald BlakeWritten by Anthony Read, Graham WilliamsGuest stars Stan McGowan, Chris Tranchell, Milton Johns, John Arnatt, Charles Morgan, Dennis Edwards, Ray Callaghan, Hilary Ryan

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Episode 24

The Invasion of Time (4)

25m6.6 / 10

The Doctor works to free his planet of the Vardan menace. How can he defeat an enemy who can read his very thoughts? And does their invasion conceal a greater menace?

Episode credits

Directed by Gerald BlakeWritten by Anthony Read, Graham WilliamsGuest stars Chris Tranchell, Milton Johns, Ray Callaghan, Hilary Ryan, Michael Mundell, Max Faulkner, Gai Waterhouse, Eric Danot

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Episode 25

The Invasion of Time (5)

25m7.1 / 10

The Sontarans have invaded Gallifrey, seeking to seize the incredible power of the Time Lords. The Doctor's first step is to cut them off from their fleet. But Kelner is helping the enemy…

Episode credits

Directed by Gerald BlakeWritten by Anthony Read, Graham WilliamsGuest stars Chris Tranchell, Milton Johns, John Arnatt, Ray Callaghan, Hilary Ryan, Michael Mundell, Max Faulkner, Gai Waterhouse

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Episode 26

The Invasion of Time (6)

25m6.9 / 10finale

The Sontarans finally invade the TARDIS itself, seeking the Great Key. The Doctor, however, has other uses for this powerful object…

Episode credits

Directed by Gerald BlakeWritten by Anthony Read, Graham WilliamsGuest stars Chris Tranchell, Milton Johns, John Arnatt, Hilary Ryan, Max Faulkner, Gai Waterhouse, Derek Deadman, Stuart Fell

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Episode information updated Jul 24, 2026

More about Doctor Who

Cast

William HartnellThe Doctor
Jon PertweeThe Doctor
Patrick TroughtonThe Doctor
Katy ManningJo Grant
Roger DelgadoThe Master
Tom BakerThe Doctor
Peter DavisonThe Doctor
Sylvester McCoyThe Doctor

Credits

Created by
Verity Lambert, Sydney Newman, Donald Wilson, C. E. Webber

Production details

Status
Ended
Series type
Scripted
Episodes
694
Original language
English

Networks & production

  • BBC OneUnited Kingdom
  • BBC TelevisionUnited Kingdom
  • BBCUnited Kingdom

Themes

admiringaliencomfortingexcitedhistorical revisionismhumanoidnonlinear narrativeparallel universe