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.

Streaming, rental and purchase options

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 12 episodes

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

← Season 11

Episode 1

Robot (1)

25m6.6 / 10

The Doctor changes form again. Before he has fully re-covered, something of colossal strength steals a secret weapon, and the convalescent Doctor starts to investigate.

Episode credits

Directed by Christopher BarryWritten by Terrance DicksGuest stars Jon Pertwee, Nicholas Courtney, John Levene, Patricia Maynard, Michael Kilgarriff, Edward Burnham, Alec Linstead, John Scott Martin

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Episode 2

Robot (2)

25m6.4 / 10

The Doctor and Sarah Jane become convinced Think Tank are behind the electronic component thefts but are unable to stop them carrying out another raid.

Episode credits

Directed by Christopher BarryWritten by Terrance DicksGuest stars Nicholas Courtney, John Levene, Patricia Maynard, Michael Kilgarriff, Edward Burnham, Alec Linstead, Timothy Craven

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Episode 3

Robot (3)

25m6.7 / 10

Sarah Jane and Kettlewell infiltrate an SRS meeting to try and find out what Miss Winters is up to but there is a surprise in store.

Episode credits

Directed by Christopher BarryWritten by Terrance DicksGuest stars Nicholas Courtney, John Levene, Patricia Maynard, Michael Kilgarriff, Edward Burnham, Alec Linstead, Terry Walsh

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Episode 4

Robot (4)

25m6.9 / 10

UNIT attempt to get into the bunker to stop Miss Winters setting off the world's nuclear missiles but first they have to get past the K1.

Episode credits

Directed by Christopher BarryWritten by Terrance DicksGuest stars Nicholas Courtney, John Levene, Patricia Maynard, Michael Kilgarriff, Edward Burnham, Alec Linstead

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Episode 5

The Ark in Space (1)

25m9.1 / 10

The Doctor's attempt to give Harry a trip in the TARDIS sees the two of them and Sarah Jane arriving onboard a space station in the far future, with some rather deadly security mechanisms.

Episode credits

Directed by Rodney BennettWritten by Robert HolmesGuest stars Peter Tuddenham, Gladys Spencer, Terry Walsh

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Episode 6

The Ark in Space (2)

25m8.7 / 10

The Doctor and Harry revive the Ark's medtech, Vira, to help Sarah Jane. But when station commander Noah is revived, he becomes suspicious of the newcomers.

Episode credits

Directed by Rodney BennettWritten by Robert HolmesGuest stars Wendy Williams, Kenton Moore, Christopher Masters

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Episode 7

The Ark in Space (3)

25m8.4 / 10

Knowing that Noah has been infected by the Wirrn, the Doctor persuades Vira to halt the reviving of her people, knowing it will place them in danger as well.

Episode credits

Directed by Rodney BennettWritten by Robert HolmesGuest stars Gladys Spencer, Wendy Williams, Kenton Moore, Richardson Morgan, Stuart Fell, John Gregg

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Episode 8

The Ark in Space (4)

25m8.7 / 10

The Doctor tries to protect the humans still in cryogenic suspension from the Wirrn, who are determined to use Earth as their new breeding ground.

Episode credits

Directed by Rodney BennettWritten by Robert HolmesGuest stars Wendy Williams, Richardson Morgan, Stuart Fell, Kenton Moore, Nick Hobbs

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Episode 9

The Sontaran Experiment (1)

25m6.6 / 10

The Doctor, Sarah Jane and Harry teleport to Earth to ensure the planet is safe for the survivors on board Nerva Beacon to return and reinhabit their world. A Sontaran named Styre has captured a group of humans and is conducting experiments on them to discover the human body's weaknesses, as part of the Sontaran's goal for domination of the galaxy.

Episode credits

Directed by Rodney BennettWritten by Dave Martin, Bob BakerGuest stars Donald Douglas, Terry Walsh, Glyn Jones, Kevin Lindsay, Peter Walshe, Peter Rutherford

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Episode 10

The Sontaran Experiment (2)

25m6.5 / 10

The Doctor learns that Styre has been experimenting on the Galsec crewmembers to pave the way for a Sontaran invasion of Earth and decides the only way to halt his plans is to challenge him to a duel.

Episode credits

Directed by Rodney BennettWritten by Dave Martin, Bob BakerGuest stars Donald Douglas, Glyn Jones, Kevin Lindsay, Peter Walshe, Peter Rutherford, Brian Ellis

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Episode 11

Genesis of the Daleks (1)

25m9.1 / 10

The planet Skaro, the distant past. The Time Lords divert the Doctor, Sarah Jane and Harry to this war-torn world, and give the Doctor a mission: the evil of the Daleks is about to be born here, and the Doctor is to try to ensure they evolve into less lethally aggressive beings - or, failing that, to avert their creation altogether. But has even the Doctor the right to commit genocide?

Episode credits

Directed by David MaloneyWritten by Terry NationGuest stars Michael Wisher, Dennis Chinnery, Guy Siner, John Franklyn-Robbins, Richard Reeves, John Scott Martin, Terry Walsh, Peter Miles

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Episode 12

Genesis of the Daleks (2)

25m9.1 / 10

The Doctor and Harry are taken to the Kaled bunker where Davros is preparing to demonstrate the Daleks, while Sarah Jane is captured by the Thals and taken to their city as a slave worker.

Episode credits

Directed by David MaloneyWritten by Terry NationGuest stars Michael Wisher, Dennis Chinnery, Stephen Yardley, James Garbutt, Jeremy Chandler, Pat Gorman, Richard Reeves, John Scott Martin

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Episode 13

Genesis of the Daleks (3)

25m8.9 / 10

The Doctor and Harry head to the Kaled city to alert the authorities to Davros' plans while Sarah Jane and Sevrin are forced to work on the completion of the Thals' rocket.

Episode credits

Directed by David MaloneyWritten by Terry NationGuest stars Michael Wisher, Guy Siner, Stephen Yardley, James Garbutt, Tom Georgeson, Ivor Roberts, Michael Lynch, Hilary Minster

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Episode 14

Genesis of the Daleks (4)

25m9.1 / 10

The Doctor fails to prevent the Thals from destroying the Kaled city but they don't have long to enjoy their victory before the Daleks attack.

Episode credits

Directed by David MaloneyWritten by Terry NationGuest stars Michael Wisher, Dennis Chinnery, Stephen Yardley, James Garbutt, Tom Georgeson, Michael Lynch, Harriet Philpin, Keith Ashley

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Episode 15

Genesis of the Daleks (5)

25m9.1 / 10

The Doctor is forced to give Davros full details of future Dalek victories but opposition to Davros' plans is growing among the Kaleds and soon there is open rebellion.

Episode credits

Directed by David MaloneyWritten by Terry NationGuest stars Michael Wisher, Dennis Chinnery, Stephen Yardley, Tom Georgeson, Peter Mantle, Harriet Philpin, Keith Ashley, Roy Skelton

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Episode 16

Genesis of the Daleks (6)

25m9.7 / 10

Gharman tries to convince the Kaleds to vote against the Dalek project but Davros has a trick up his sleeve, while the Doctor works to destroy the tape recording of Dalek victory and the Thals plan an intervention of their own.

Episode credits

Directed by David MaloneyWritten by Terry NationGuest stars Michael Wisher, Dennis Chinnery, Stephen Yardley, Andrew Johns, John Gleeson, Harriet Philpin, Keith Ashley, Roy Skelton

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Episode 17

Revenge of the Cybermen (1)

25m6.8 / 10

The orbit of Jupiter, the 25th century. Arriving back on the Nerva Beacon much earlier in history, the Doctor and his friends discover the satellite beset by space plague while its crew struggles to keep space traffic away from Voga, the newest moon of Jupiter. But what is the connection between Voga, the plague, and some old enemies of the Doctor?

Episode credits

Directed by Michael E. BriantWritten by Gerry DavisGuest stars William Marlowe, Jeremy Wilkin, Ronald Leigh-Hunt, David Collings, Michael Wisher, Christopher Robbie, Alec Wallis, Cy Town

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Episode 18

Revenge of the Cybermen (2)

25m7.0 / 10

The Doctor transmits Sarah Jane and Harry down to Voga to cure Sarah Jane of the Cybermat's poison but Kellman's sabotage means he is unable to bring them back.

Episode credits

Directed by Michael E. BriantWritten by Gerry DavisGuest stars Kevin Stoney, William Marlowe, Jeremy Wilkin, Ronald Leigh-Hunt, David Collings, Michael Wisher, Christopher Robbie, Brian Grellis

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Episode 19

Revenge of the Cybermen (3)

25m7.0 / 10

The Cybermen force the Doctor, Stevenson and Lester to carry bombs to the centre of Voga while Sarah Jane, Harry and Tyrum decide to contact Vorus.

Episode credits

Directed by Michael E. BriantWritten by Gerry DavisGuest stars Kevin Stoney, William Marlowe, Jeremy Wilkin, Ronald Leigh-Hunt, David Collings, Michael Wisher, Christopher Robbie, Brian Grellis

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Episode 20

Revenge of the Cybermen (4)

25m7.2 / 10finale

The Doctor, Harry and Lester try to destroy the Cybermen's relay device, while the Vogans prepare to destroy Nerva even though Sarah Jane is still on board.

Episode credits

Directed by Michael E. BriantWritten by Gerry DavisGuest stars Kevin Stoney, William Marlowe, Ronald Leigh-Hunt, David Collings, Michael Wisher, Christopher Robbie, Brian Grellis, Melville Jones

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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