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1975–76 season of British sci-fi TV series

Season of television series
Doctor Who
Season 13
Cover art of the Blu-ray release for the complete season
Starring
No. of stories6
No. of episodes26
Release
Original networkBBC1
Original release30 August 1975 (1975-08-30) –
6 March 1976 (1976-03-06)
Season chronology
← Previous
Season 12
Next →
Season 14
List of episodes

The thirteenth season of British science fiction television series Doctor Who began on 30 August 1975 with the story Terror of the Zygons, and ended with The Seeds of Doom. This is the second series to feature the Fourth Doctor, played by Tom Baker, with Philip Hinchcliffe producing and Robert Holmes script editing. In September 2009, it was ranked as readers' favourite season in Doctor Who Magazine issue 413.

Casting

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Main cast

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Tom Baker continued his role as The Fourth Doctor along with Sarah Jane Smith (Elisabeth Sladen). Harry Sullivan, played by Ian Marter, departed in Terror of the Zygons and reappeared in The Android Invasion as a guest star.

Recurring cast

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Nicholas Courtney returned as Brigadier Lethbridge-Stewart in Terror of the Zygons having last appeared in Robot. John Levene makes his final appearance as Sergeant Benton in The Android Invasion after six years in the role.

Serials

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Terror of the Zygons was produced as part of the production schedule for Season 12, but was held for transmission from the end of that season to the beginning of Season 13, to coincide with a move from the new season starting at the beginning of the calendar year, to starting in late summer. Terror of the Zygons was also the last appearance of the Brigadier until Mawdryn Undead in Season 20. The season took a transmission break of two weeks over the Christmas 1975 period, between the broadcasts of The Android Invasion and The Brain of Morbius.

No.
story		No. in
season		Serial titleEpisode titlesDirected byWritten byOriginal release dateProd.
code		UK viewers
(millions) [1]		AI [1]
801Terror of the Zygons"Part One"Douglas CamfieldRobert Banks Stewart30 August 1975 (1975-08-30)4F8.459
"Part Two"6 September 1975 (1975-09-06)6.1—
"Part Three"13 September 1975 (1975-09-13)8.254
"Part Four"20 September 1975 (1975-09-20)7.2—
812Planet of Evil"Part One"David MaloneyLouis Marks27 September 1975 (1975-09-27)4H10.456
"Part Two"4 October 1975 (1975-10-04)9.956
"Part Three"11 October 1975 (1975-10-11)9.157
"Part Four"18 October 1975 (1975-10-18)10.154
823Pyramids of Mars"Part One"Paddy Russell"Stephen Harris"
(Lewis Greifer and Robert Holmes)		25 October 1975 (1975-10-25)4G10.5—
"Part Two"1 November 1975 (1975-11-01)11.3—
"Part Three"8 November 1975 (1975-11-08)9.4—
"Part Four"15 November 1975 (1975-11-15)11.760
834The Android Invasion"Part One"Barry LettsTerry Nation22 November 1975 (1975-11-22)4J11.958
"Part Two"29 November 1975 (1975-11-29)11.3—
"Part Three"6 December 1975 (1975-12-06)12.1—
"Part Four"13 December 1975 (1975-12-13)11.4—
845The Brain of Morbius"Part One"Christopher Barry"Robin Bland"
(Terrance Dicks and Robert Holmes)		3 January 1976 (1976-01-03)4K9.5—
"Part Two"10 January 1976 (1976-01-10)9.3—
"Part Three"17 January 1976 (1976-01-17)10.157
"Part Four"24 January 1976 (1976-01-24)10.2—
856The Seeds of Doom"Part One"Douglas CamfieldRobert Banks Stewart31 January 1976 (1976-01-31)4L11.459
"Part Two"7 February 1976 (1976-02-07)11.4—
"Part Three"14 February 1976 (1976-02-14)10.3—
"Part Four"21 February 1976 (1976-02-21)11.1—
"Part Five"28 February 1976 (1976-02-28)9.9—
"Part Six"6 March 1976 (1976-03-06)11.5—
[edit]

The entire season was broadcast from 30 August 1975 to 6 March 1976, but with a three week break between the fourth and fifth serials from 13 December 1975 to 3 January 1976.

Home media

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VHS releases

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Season Story no. Serial name Duration Release date
UK Australia USA / Canada
13 80 Terror of the Zygons 1 x 100 min. November 1988 April 1987 April 1991
4 x 25 min. August 1999 January 2000 May 2000
81 Planet of Evil 4 x 25 min. February 1994 March 1994 June 1996
82 Pyramids of Mars 1 x 100 min. February 1985 November 1985 February 1988
4 x 25 min. April 1994 N/a March 1998
83 The Android Invasion 4 x 25 min. March 1995 March 1995 March 1996
84 The Brain of Morbius 1 x 60 min. July 1984 November 1987 November 1987
4 x 25 min. July 1990 January 1991 February 1997
85 The Seeds of Doom 6 x 25 min. August 1994
2 x VHS		 October 1994 September 1995

Betamax releases

[edit]
Season Story no. Serial name Duration Release date
UK Australia USA / Canada
13 82 Pyramids of Mars 1 x 100 min. February 1985[2] N/a N/a
84 The Brain of Morbius 1 x 60 min.
 July 1984[3] N/a N/a

Video 2000 releases

[edit]
Season Story no. Serial name Duration Release date
UK Australia USA / Canada
13 84 The Brain of Morbius 1 x 60 min. July 1984[3] N/a N/a

Laserdisc releases

[edit]
Season Story no. Serial name Duration Release date
UK Australia USA / Canada
13 80 Terror of the Zygons 4 × 25 min. December 1997[4][5] N/a N/a
84 The Brain of Morbius (edited) 1 x 60 min. July 1984[6][7] N/a N/a

DVD and Blu-ray releases

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All releases are for DVD unless otherwise indicated:

Season Story no. Serial name Duration Release date
R2 R4 R1
13 80 Terror of the Zygons[a] 4 × 25 min. 29 July 2013[8]
30 September 2013[9][b]		 2 October 2013[10] 8 October 2013[11]
81 Planet of Evil 4 × 25 min. 15 October 2007[12] 5 December 2007[13] 4 March 2008[14]
82 Pyramids of Mars[c] [15] 4 × 25 min. 1 March 2004[16] 10 June 2004[17] 7 September 2004[18]
83 The Android Invasion[d] 4 × 25 min. 9 January 2012[19] 5 January 2012[20][21] 10 January 2012[22]
84 The Brain of Morbius 4 × 25 min. 21 July 2008[23] 2 October 2008[24] 7 October 2008[25]
85 The Seeds of Doom 6 × 25 min. 25 October 2010[26] 2 December 2010[27] 8 March 2011[28]
80–85 Complete Season 13[e] 26 × 25 min. 20 October 2025 (B) [29] 3 December 2025[30] 20 January 2026 (B)[31]
  1. ↑ Advanced release in region 2 as part of 'The Fourth Doctor Time Capsule' set with no special features on 29 July 2013
  2. ↑ The Region 2 release of Terror of the Zygons was released in advance as part of The Fourth Doctor Time Capsule box set without special features, and was later re-released on its own with special features.
  3. ↑ Also available as part of The Doctors Revisited 1-4 in Regions 1 and 4
  4. ↑ Only available as part of the U.N.I.T. Files box set in Regions 2 and 4. Only available individually in Region 1.
  5. ↑ Released as Doctor Who: The Collection – Season 13 in Region B. Released as Doctor Who – Tom Baker: Complete Season Two in Region A.

In print

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Season
 Story no. Library no.[a] Novelisation title Author Hardcover
release date[b]		 Paperback
release date[c]		 Audiobook
Release date[d] Narrator
1308040Doctor Who and the Loch Ness MonsterTerrance Dicks15 January 19761978 [e]
16 October 2025[32]		Gabriel Woolf (1978)
Jon Culshaw (2025)
08147Doctor Who and the Planet of Evil21 July 197718 August 19776 April 2023[33]Tim Treloar
08250Doctor Who and the Pyramids of Mars16 December 197614 August 2008Tom Baker
0832Doctor Who and the Android Invasion16 November 197818 August 2022Geoffrey Beevers
0847Doctor Who and the Brain of Morbius19 May 197723 June 19774 February 2008Tom Baker
N/aJunior Doctor Who and the Brain of Morbius27 June 198013 November 1980N/a
08555Doctor Who and the Seeds of DoomPhilip Hinchcliffe17 February 19775 September 2019Michael Kilgarriff
  1. ↑ Number in Target's Doctor Who Library, if applicable
  2. ↑ Published by Target's parent companies (Allen Wingate, W. H. Allen, BBC Books) unless otherwise indicated
  3. ↑ Published by Target Books (or by BBC Books under the Target Collection umbrella) unless otherwise indicated
  4. ↑ Unabridged from BBC Audio / AudioGo unless otherwise indicated
  5. ↑ Published by the Royal National Institute of the Blind

References

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  1. 1 2 "Ratings Guide". Doctor Who News. Retrieved 27 December 2014.
  2. ↑ "Pyramids of Mars @ The TARDIS Library (Doctor Who books, DVDs, videos & audios)". www.timelash.com.
  3. 1 2 "The Brain of Morbius @ The TARDIS Library (Doctor Who books, DVDs, videos & audios)". www.timelash.com.
  4. ↑ "Terror of the Zygons". timelash.com. Retrieved 4 February 2012.
  5. ↑ "Doctor Who: Terror of the Zygons (1975) [EE 1203]". lddb.com. Retrieved 4 February 2012.
  6. ↑ "The Brain of Morbius". timelash.com. Retrieved 4 February 2012.
  7. ↑ "Doctor Who: The Brain of Morbius (1975) [BBCV 2012L]". lddb.com. Retrieved 4 February 2012.
  8. ↑ Smith 2014, The Fourth Doctor Time Capsule.
  9. ↑ Smith 2014, Terror of the Zygons.
  10. ↑ "Doctor Who by Roadshow Entertainment - Shop Online for Movies, DVDs in Australia". Fishpond. Archived from the original on 16 November 2017. Retrieved 16 November 2017.
  11. ↑ "Doctor Who, Story 80: Terror of the Zygons". 8 October 2013. Retrieved 16 November 2017 – via Amazon.
  12. ↑ Smith 2014, Planet of Evil.
  13. ↑
  15. ↑ "Doctor Who: The Doctors Revisited 1-4 (2013)". Amazon. 16 July 2013. Retrieved 11 January 2014.
  16. ↑ Smith 2014, Pyramids of Mars.
  17. ↑ "Doctor Who Pyramids of Mars by Roadshow Entertainment - Shop Online for Movies, DVDs in Australia". Fishpond. Archived from the original on 16 November 2017. Retrieved 16 November 2017.
  18. ↑ "Doctor Who: Pyramids of Mars". 7 September 2004. Retrieved 16 November 2017 – via Amazon.
  19. ↑ Smith 2014, U.N.I.T. Files.
  20. ↑ "Doctor Who UNIT Files Box Set". Australian Broadcasting Corporation. Archived from the original on 3 December 2013. Retrieved 29 November 2013.
  21. ↑ "Doctor Who UNIT boxset 3 DVD Set". BBC. Archived from the original on 15 May 2013. Retrieved 29 November 2013.
  22. ↑ "Doctor Who: The Android Invasion". 10 January 2012. Retrieved 16 November 2017 – via Amazon.
  23. ↑ Smith 2014, The Brain of Morbius.
  24. ↑ "Doctor Who The Brain of Morbius by Roadshow Entertainment - Shop Online for Movies, DVDs in Australia". Fishpond. Archived from the original on 16 November 2017. Retrieved 16 November 2017.
  25. ↑ "Doctor Who: The Brain of Morbius". 7 October 2008. Retrieved 16 November 2017 – via Amazon.
  26. ↑ Smith 2014, The Seeds of Doom.
  27. ↑ "Doctor Who Seeds of Doom by Roadshow Entertainment - Shop Online for Movies, DVDs in Australia". Fishpond. Archived from the original on 16 November 2017. Retrieved 16 November 2017.
  28. ↑ "Doctor Who: The Seeds of Doom". 8 March 2011. Archived from the original on 12 February 2021. Retrieved 16 November 2017 – via Amazon.
  29. ↑ "Doctor Who: The Collection Season 13". Amazon. Retrieved 30 September 2025.
  30. ↑ "Doctor Who - The Collection Season 13 (Limited Edition)". JB HiFi. Retrieved 20 January 2026.
  31. ↑ "Doctor Who: Tom Baker: Complete Season 2 Blu-ray". Retrieved 30 September 2025 – via Blu-ray.com.
  32. ↑ Dicks, Terrance. "Doctor Who and the Loch Ness Monster" – via www.penguin.co.uk.
  33. ↑ Doctor Who and the Planet of Evil. 6 April 2023 – via Penguin.co.uk.

Bibliography

[edit]
  • Smith, Paul (2014). The Classic Doctor Who DVD Compendium. United Kingdom: Wonderful Books. ISBN 978-0-9576062-2-7.
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