Doctor Who: The Sontaran Experiment poster
Where to stream

Doctor Who: The Sontaran Experiment

6.1197550mMovieScience FictionDramaAdventure

Sontaran Field Major Styre is conducting experiments on the survivors of future Earth in preparation of a full-scale Sontaran invasion of the planet. Can the Doctor defeat Styre and save the world?

DirectorRodney Bennett
WritersDave Martin·Bob Baker
ProducerPhilip Hinchcliffe

Where to watch

Not streaming yet
Check back soon

Doctor Who: The Sontaran Experiment was released on March 1, 1975 but we couldn't find it on any streaming service yet. Rights can change — try again later.

Get the app to be notified

Cast · Directed by Rodney Bennett

TBTom Baker
Tom Baker
The Doctor
ESElisabeth Sladen
Elisabeth Sladen
Sarah Jane Smith
IMIan Marter
Ian Marter
Harry Sullivan
KL
Kevin Lindsay
Styre / The Marshal
DDDonald Douglas
Donald Douglas
Vural
GJ
Glyn Jones
Krans
PW
Peter Walshe
Erak
PR
Peter Rutherford
Roth
TWTerry Walsh
Terry Walsh
Zake
BE
Brian Ellis
Prisoner

More from Tom Baker · Lead actor

Doctor Who
Doctor Who
1963 · 7.9
Natural World
Natural World
1983 · 7.4
BBC Play of the Month
BBC Play of the Month
1965 · 5.2
Little Britain
Little Britain
2003 · 7.0
Star Wars Rebels
Star Wars Rebels
2014 · 7.7
Z-Cars
Z-Cars
1962 · 7.3
Blackadder
Blackadder
1983 · 8.0
Thirty-Minute Theatre
Thirty-Minute Theatre
1965 · 4.3
Dramarama
Dramarama
1983 · 7.3
Monarch of the Glen
Monarch of the Glen
2000 · 7.3
See all fromTom Baker

More from Elisabeth Sladen · Co-star actress

Coronation Street
Coronation Street
1960 · 5.4
Doctor Who
Doctor Who
2005 · 7.6
Doctor Who
Doctor Who
1963 · 7.9
Play for Today
Play for Today
1970 · 6.6
Peak Practice
Peak Practice
1993 · 6.5
The Bill
The Bill
1984 · 6.8
Z-Cars
Z-Cars
1962 · 7.3
The Sarah Jane Adventures
The Sarah Jane Adventures
2007 · 7.1
Doctor Who Confidential
Doctor Who Confidential
2005 · 8.1
Dempsey and Makepeace
Dempsey and Makepeace
1985 · 6.8
See all fromElisabeth Sladen

More from Rodney Bennett · Director

Doctor Who
Doctor Who
1963 · 7.9
Play for Today
Play for Today
1970 · 6.6
Great Performances
Great Performances
1971 · 6.1
The BBC Television Shakespeare
The BBC Television Shakespeare
1978 · 6.0
Z-Cars
Z-Cars
1962 · 7.3
Tales of the Unexpected
Tales of the Unexpected
1979 · 6.7
Playhouse
Playhouse
1974 · 7.0
Thirty-Minute Theatre
Thirty-Minute Theatre
1965 · 4.3
Rumpole of the Bailey
Rumpole of the Bailey
1975 · 7.1
Soldier Soldier
Soldier Soldier
1991 · 6.9
See all fromRodney Bennett

More like this

Stargate: Continuum
Stargate: Continuum
2008 · 7.1
Doctor Who: The Day of the Doctor
Doctor Who: The Day of the Doctor
2013 · 8.2
The 5th Wave
The 5th Wave
2016 · 5.9
Extinction
Extinction
2018 · 6.1
Babylon 5: The Legend of the Rangers - To Live and Die in Starlight
Babylon 5: The Legend of the Rangers - To Live and Die in Starlight
2002 · 6.0
Titan A.E.
Titan A.E.
2000 · 6.6
Babylon 5: A Call to Arms
Babylon 5: A Call to Arms
1999 · 6.9
Earth to Echo
Earth to Echo
2014 · 5.9
Babylon 5: In the Beginning
Babylon 5: In the Beginning
1998 · 7.1
Daleks' Invasion Earth: 2150 A.D.
Daleks' Invasion Earth: 2150 A.D.
1966 · 6.1
Timescape
Timescape
1992 · 6.5
Babylon 5: The River of Souls
Babylon 5: The River of Souls
1998 · 6.4

Doctor Who: The Sontaran Experiment — streaming FAQ

Which OTT platform streams Doctor Who: The Sontaran Experiment?

Doctor Who: The Sontaran Experiment isn't streaming anywhere in United States yet.

Is Doctor Who: The Sontaran Experiment on Netflix?

No, Doctor Who: The Sontaran Experiment is not on Netflix in United States as of September 2026.

Is Doctor Who: The Sontaran Experiment on Amazon Prime Video?

No, Doctor Who: The Sontaran Experiment isn't on Amazon Prime Video in United States right now.

Where can I watch Doctor Who: The Sontaran Experiment for free?

Doctor Who: The Sontaran Experiment isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for Doctor Who: The Sontaran Experiment?

Doctor Who: The Sontaran Experiment hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around April 19, 1975. This is a prediction, not a confirmed date.