Series 4 (Doctor Who)

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The term Series 4 of Doctor Who was one that had several different meanings, making a precise and universally-agreed definition difficult. It was nevertheless generally considered the "2008 series". It ran from 16 November 2007 to 1 January 2010. It mainly starred David Tennant as the Tenth Doctor and Catherine Tate as Donna Noble. The regular series was preceded by Voyage of the Damned [+]Loading...["Voyage of the Damned (TV story)"], opened with Partners in Crime [+]Loading...["Partners in Crime (TV story)"] and concluded with Journey's End [+]Loading...["Journey's End (TV story)"], before being followed by a number of specials ending with The End of Time [+]Loading...["The End of Time (TV story)"].

Overview[[edit]]

It consisted of eighteen stories and twenty-one episodes. From a production standpoint, the series began with Voyage of the Damned [+]Loading...["Voyage of the Damned (TV story)"], continued to Time Crash [+]Loading...["Time Crash (TV story)"], and concluded with The End of Time [+]Loading...["The End of Time (TV story)"]. This view was amply supported by Russell T Davies in his memoir, The Writer's Tale, and by production code and production block numbering, and is how this wiki presents the series and information relating to it.

Subsequent home video releases suggested — by their very contents — that series could be considered as having begun with Time Crash [+]Loading...["Time Crash (TV story)"] and having ended with Journey's End [+]Loading...["Journey's End (TV story)"]. Additionally, while none of the non-weekly specials are given "series x, episode y" style numbering, Voyage of the Damned was listed on BBC iPlayer as part of series 3 (As of November 2023, Time Crash has no iPlayer listing). Whatever one's perspective, though, there was universal agreement that the regular, weekly portion of series 4 began on 5 April 2008 with the broadcast of Partners in Crime [+]Loading...["Partners in Crime (TV story)"] and continued through to the 5 July 2008 broadcast of Journey's End [+]Loading...["Journey's End (TV story)"]. It was the second series of BBC Wales to have received a BAFTA nomination in the "Best Drama Series" category, although it did not win, as series 1 had done. The four principal producers — Phil Collinson, Russell T Davies, Julie Gardner and Susie Liggat — were all named nominees.

The final two (or three in the case of Billie Piper) episodes saw the return of Freema Agyeman (Martha Jones), John Barrowman (Jack Harkness), Elisabeth Sladen (Sarah Jane Smith) and Billie Piper (Rose Tyler) to the main cast, accompanied by Noel Clarke (Mickey Smith), Camille Coduri (Jackie Tyler), Penelope Wilton (Harriet Jones), Adjoa Andoh (Francine Jones), Eve Myles (Gwen Cooper), and Gareth David-Lloyd (Ianto Jones). Kylie Minogue starred as Astrid Peth in the Christmas special Voyage of the Damned [+]Loading...["Voyage of the Damned (TV story)"]. Peter Davison returned to the role of the Fifth Doctor for the Children in Need special Time Crash [+]Loading...["Time Crash (TV story)"]. It also featured the return of Davros, the creator of the Daleks, not seen on television since 1988's Remembrance of the Daleks. Davros was recast and was played by Julian Bleach.

Broadcast milestones[[edit]]

Series 4 featured several milestones. It is the 30th broadcast season of Doctor Who, and features the 750th broadcast episode; The Stolen Earth [+]Loading...["The Stolen Earth (TV story)"]. The finale episodes The Stolen Earth and Journey's End [+]Loading...["Journey's End (TV story)"] also took the revived series to new heights of popularity, scoring the highest viewership ratings since the Tom Baker era and according to the media both episodes scored Appreciation Index ratings unprecedented for an ongoing scripted drama series.

In terms of production, the season marked the first production of a "Companion-lite" episode, Midnight [+]Loading...["Midnight (TV story)"] (as opposed to the usual "Doctor-lite" episodes, ie. Love & Monsters [+]Loading...["Love & Monsters (TV story)"] and Blink [+]Loading...["Blink (TV story)"]), although a Doctor-lite episode, Turn Left [+]Loading...["Turn Left (TV story)"] was also produced. This was necessitated by the need to film several episodes at the same time, including an unprecedented 15th episode, The Next Doctor [+]Loading...["The Next Doctor (TV story)"], which would air as the 2008 Christmas special.

Series 4 was the last time Davies, Collinson, and Gardner produced the show until all three reunited beginning with the 2023 specials. Collinson left after the regular episode Journey's End, and Davies and Gardner left after The End of Time, two of the five special episodes made after Journey's End. Before returning, Davies had no involvement in writing freelance for his successors as head writer, although he did contribute to the final scene of Chris Chibnall's outgoing story The Power of the Doctor [+]Loading...["The Power of the Doctor (TV story)"], and wrote stories for Torchwood, The Sarah Jane Adventures, the Doctor Who: Lockdown! event and a novelisation of Rose in the interim.

When the show resumed weekly broadcast in 2010, Steven Moffat became the head writer and executive producer. It also marked the last full season featuring David Tennant as the Tenth Doctor (he returned for the 50th anniversary, and, as the Fourteenth Doctor, for the 2023 specials) as, in October 2008, he announced his intention to leave the role following the production of the five specials; in January 2009 Matt Smith was announced as his successor, with Karen Gillan appearing as his companion Amy Pond.

From a retroactive standpoint, the series was also notable for containing two instances that foreshadowed the Doctor's eventual twelfth incarnation. The Fires of Pompeii [+]Loading...["The Fires of Pompeii (TV story)"] saw the Doctor saving Lobus Caecilius (portrayed by eventual Twelfth Doctor actor, Peter Capaldi) and his family from being killed in the destruction of Pompeii at Donna's urging, which would lead the Doctor to take on Caecilius' appearance in his twelfth incarnation, as a subconcious reminder to himself to always save people - no matter how impossible or "wrong" it might seem, as revealed in Series 9's The Girl Who Died [+]Loading...["The Girl Who Died (TV story)"]. Furthermore, in Silence in the Library [+]Loading...["Silence in the Library (TV story)"], River Song explains to the Doctor that a "future version" of him gave her her sonic screwdriver during their last night together at Darillium, this "future Doctor" would, indeed, turn out to be the Twelfth Doctor, and the events described would take place in The Husbands of River Song [+]Loading...["The Husbands of River Song (TV story)"], 7 years later.

The arc of Human-Time Lord Meta-Crisis that led to the Tenth Doctor wiping Donna's memories was also revisited in the 2023 special The Star Beast [+]Loading...["The Star Beast (TV story)"], with Catherine Tate reprising her roles as Donna and Sylvia Noble, and Tennant returning as the near-identical Fourteenth Doctor.

Awards[[edit]]

Cast[[edit]]

and introducing Matt Smith as the Doctor

Recurring[[edit]]

Guest[[edit]]

Television stories[[edit]]

Mini-episode[[edit]]

Episode
Number
Title Writer Director Notes
N/A Time Crash [+]Loading...["Time Crash (TV story)"] Steven Moffat Graeme Harper Guest appearance by the Fifth Doctor. First multi-Doctor story of the revived series.

Christmas special[[edit]]

Episode
Number
Title Writer Director Notes
N/A Voyage of the Damned [+]Loading...["Voyage of the Damned (TV story)"] Russell T Davies James Strong Dedicated to Verity Lambert. First appearance of Wilfred Mott.

Regular series[[edit]]

Episode
Number
Title Writer Director Notes
1 Partners in Crime [+]Loading...["Partners in Crime (TV story)"] Russell T Davies James Strong Return of Donna Noble, Sylvia Noble and Rose Tyler.
2 The Fires of Pompeii [+]Loading...["The Fires of Pompeii (TV story)"] James Moran Colin Teague Peter Capaldi and Karen Gillan's first acting appearances in the show.
3 Planet of the Ood [+]Loading...["Planet of the Ood (TV story)"] Keith Temple Graeme Harper Return of the Ood. First appearance of Ood Sigma.
4 & 5 The Sontaran Stratagem [+]Loading...["The Sontaran Stratagem (TV story)"] / The Poison Sky [+]Loading...["The Poison Sky (TV story)"] Helen Raynor Douglas Mackinnon Reintroduction of the Sontarans. Guest appearance by Martha Jones.
6 The Doctor's Daughter [+]Loading...["The Doctor's Daughter (TV story)"] Stephen Greenhorn Alice Troughton First appearance of Jenny. Continuing guest appearance by Martha Jones.
7 The Unicorn and the Wasp [+]Loading...["The Unicorn and the Wasp (TV story)"] Gareth Roberts Graeme Harper
8 & 9 Silence in the Library [+]Loading...["Silence in the Library (TV story)"]/Forest of the Dead [+]Loading...["Forest of the Dead (TV story)"] Steven Moffat Euros Lyn First appearance and death of River Song.
10 Midnight [+]Loading...["Midnight (TV story)"] Russell T Davies Alice Troughton Companion-lite episode.
11 Turn Left [+]Loading...["Turn Left (TV story)"] Graeme Harper Doctor-lite episode.
12 & 13 The Stolen Earth [+]Loading...["The Stolen Earth (TV story)"]/Journey's End [+]Loading...["Journey's End (TV story)"] Graeme Harper First direct crossover with Torchwood and The Sarah Jane Adventures. Return of Martha Jones, Jack Harkness, Sarah Jane Smith, Mickey Smith, and Jackie Tyler. Reintroduction of Davros. Departure of Donna Noble, Sylvia Noble, and Wilfred Mott for more than a year. Final appearance of Harriet Jones. First appearance of the Meta-Crisis Doctor. Resolution of the "missing planets" arc.

Mini-episode[[edit]]

Episode
Number
Title Writer Director Notes
N/A Music of the Spheres [+]Loading...["Music of the Spheres (TV story)"] Russell T Davies Euros Lyn Shown during the BBC Proms season.

Specials[[edit]]

Sometimes referred to "Series 4b," the "David Tennant Specials" and the "2009 Specials," five special episodes following the regular season were broadcast at Christmas 2008, Easter 2009, November 2009, Christmas 2009 and New Year's Day 2010. These four stories (the last two broadcasts were a single two-part story) were overseen by Russell T Davies and Julie Gardner, but long-term line producer Phil Collinson did not return for them. All starred David Tennant. For these, the Doctor was travelling alone, with each story featuring a one-off companion. Catherine Tate had a smaller role as Donna Noble in the final specials but was not billed in the opening titles.

There had been conflicting reports given as to why a year was taken off. Initial media reports suggested this was to allow David Tennant to perform a season of Shakespeare during the time a regular season would have normally entered production.[1] However, these reports were directly contradicted in Russell T Davies' book Doctor Who: The Writer's Tale, which has correspondence from the spring of 2007, months before the gap year plan was announced. Davies indicated the intent was to take the series off for a year, except for a few specials, to let the new production team make its transition. Davies had already informed the BBC that he would not executive-produce a fifth season.

Exactly how to refer to these specials is a matter of some debate. Aside from informal terms such as "2009 Special" or "Gap Year", it is known that Planet of the Dead was considered Episode 15 of Series 4 by the production team, as revealed by David Tennant in his video diary of the episode's read through, and The Writer's Tale - The Final Chapter shows the specials were all numbered 4.X. On the DVD/Blu-ray release of the four specials plus The Next Doctor (in a box set titled The Complete Specials), a bonus feature of deleted scenes was entitled Series 4 Specials Deleted Scenes.

2008-10 Specials[[edit]]

Episode
Number
Title Writer Director Number of episodes Notes
1 The Next Doctor [+]Loading...["The Next Doctor (TV story)"] Russell T Davies Andy Goddard 1 Return of the Cybusman.
2 Planet of the Dead [+]Loading...["Planet of the Dead (TV story)"] Russell T Davies & Gareth Roberts James Strong 1 First appearance of Lady Christina de Souza.
3 The Waters of Mars [+]Loading...["The Waters of Mars (TV story)"] Russell T Davies & Phil Ford Graeme Harper 1 Dedicated to Barry Letts.
4 The End of Time [+]Loading...["The End of Time (TV story)"] Russell T Davies Euros Lyn 2 Last regular appearances of the Tenth Doctor. Reintroduction of Rassilon and the High Council of Time Lords, and return of the Saxon Master, Donna Noble, Sylvia Noble, and Wilfred Mott. First appearance of the Eleventh Doctor. Resolution of the "knock four times" arc.

Animated special[[edit]]

Episode
Number
Title Writer Director Notes
NA Dreamland [+]Loading...["Dreamland (TV story)"] Phil Ford Gary Russell First Doctor Who story produced entirely in 3-D computer animation.

Dreamland was a serialised animated story initially made available on the BBC's Red Button service before being televised in December 2009. Its writer has stated it takes place after the events of The Waters of Mars but it is not officially considered one of the Specials.

Other productions[[edit]]

Adaptations and merchandising[[edit]]

Home media[[edit]]

DVD and Bluray[[edit]]

Series 4 steelbook.

All episodes of Series 4 were released between 2008 and 2010.

It was also included in the Doctor Who: Complete Series 1-7 Blu-ray box set, released on 5 November, 2013 in the US and 4 November, 2013 in the UK, split into the "Complete Fourth Series" and "The Complete Specials" sets respectively. In 2015, Series 1-4 were reissued on Blu-ray individually.

Series 4 was released on Blu-ray steelbook on 27 May 2019. The artwork was created by Sophie Cowdrey.[2]

Of note, the inclusion of The Next Doctor [+]Loading...["The Next Doctor (TV story)"] on "The Complete Specials" Blu-ray set makes this story the first standard-definition Doctor Who story to be upscaled for high-definition.

Name Number and duration
of episodes
R2 release date R4 release date R1 release date
Doctor Who: Voyage of the Damned
Time Crash [+]Loading...["Time Crash (TV story)"]
Voyage of the Damned [+]Loading...["Voyage of the Damned (TV story)"]
1 x 8 min.
1 x 72 min.
10 March 2008 20 June 2008 TBA
Doctor Who: Series 4, Volume 1
Partners in Crime [+]Loading...["Partners in Crime (TV story)"]
The Fires of Pompeii [+]Loading...["The Fires of Pompeii (TV story)"]
Planet of the Ood [+]Loading...["Planet of the Ood (TV story)"]
2 x 50 min.
1 × 45 min.
2 June 2008 7 August 2008 TBA
Doctor Who: Series 4, Volume 2
The Sontaran Stratagem [+]Loading...["The Sontaran Stratagem (TV story)"] /
The Poison Sky [+]Loading...["The Poison Sky (TV story)"]
The Doctor's Daughter [+]Loading...["The Doctor's Daughter (TV story)"]
The Unicorn and the Wasp [+]Loading...["The Unicorn and the Wasp (TV story)"]
4 × 45 min. 7 July 2008 4 September 2008 TBA
Doctor Who: Series 4, Volume 3
Silence in the Library [+]Loading...["Silence in the Library (TV story)"] /
Forest of the Dead [+]Loading...["Forest of the Dead (TV story)"]
Midnight [+]Loading...["Midnight (TV story)"]
3 × 45 min. 4 August 2008 2 October 2008 TBA
Doctor Who: Series 4, Volume 4
Turn Left [+]Loading...["Turn Left (TV story)"]
The Stolen Earth [+]Loading...["The Stolen Earth (TV story)"] /
Journey's End [+]Loading...["Journey's End (TV story)"]
1 x 50 min.
1 × 45 min.
1 x 65 min.
1 September 2008 6 November 2008 TBA
Doctor Who: The Complete Fourth Series 1 x 8 min.
1 x 72 min.
9 x 45 min.
3 x 50 min.
1 x 65 min.
17 November 2008 4 December 2008 18 November 2008
Doctor Who: The Next Doctor
The Next Doctor [+]Loading...["The Next Doctor (TV story)"]
Music of the Spheres [+]Loading...["Music of the Spheres (TV story)"]
1 x 60 min.
1 x 7 min.
19 January 2009 5 March 2009 15 September 2009
Doctor Who: Planet of the Dead
Planet of the Dead [+]Loading...["Planet of the Dead (TV story)"]
1 x 60 min. 29 June 2009 2 July 2009 28 July 2009
Doctor Who: 2009 Winter Specials
The Waters of Mars [+]Loading...["The Waters of Mars (TV story)"]
The End of Time [+]Loading...["The End of Time (TV story)"]
2 x 60 min.
1 x 75 min.
11 January 2010 TBA TBA
Doctor Who: The Waters of Mars
The Waters of Mars [+]Loading...["The Waters of Mars (TV story)"]
1 x 60 min. TBA 4 February 2010 2 February 2010
Doctor Who: The End of Time
The End of Time [+]Loading...["The End of Time (TV story)"]
1 x 60 min.
1 x 75 min.
TBA 4 March 2010 2 February 2010
Doctor Who: The Complete Specials 1 x 8 min.
4 x 60 min
1 x 75 min.
11 January 2010 1 July 2010 2 February 2010

Series 4 was upscaled to HD along with Series 1, 2 and 3 and released on 21 November 2023 in a limited edition Blu-ray box set containing every "New Who" series up to Series 13[3] or in a seperate box set containing only the first four upscaled series on 27 November 2023.[4][5]


Soundtrack[[edit]]

Main article: Doctor Who - Series 4 - The Specials (soundtrack)

The official soundtrack of the specials was released on 4 October, 2010.

Stories set during this season[[edit]]

With Donna[[edit]]

Between Partners in Crime [+]Loading...["Partners in Crime (TV story)"] and The Stolen Earth [+]Loading...["The Stolen Earth (TV story)"]/Journey's End [+]Loading...["Journey's End (TV story)"]

Novels[[edit]]

Two of the Series 4 Books

BBC Audio audiobooks[[edit]]

Big Finish full-cast audio stories[[edit]]

Post-Donna[[edit]]

Between The Stolen Earth/Journey's End and The End of Time [+]Loading...["The End of Time (TV story)"]

Novels[[edit]]

BBC Audio audiobooks[[edit]]

Big Finish full-cast audio stories[[edit]]

TV[[edit]]

Promotional trailers[[edit]]

Early Series 4 promo trailer

As with previous seasons, promotional videos were created to promote the season, though this year they were shown in theatres as well as on television in the UK. Of particular note is the second video that was released, which utilised unique, specially shot footage of Donna sitting by a camp- or bonfire talking to either an unseen individual or the audience about the Doctor "coming back to save us" and "I'll be ready" interspersed with images of Sontarans, Ood and Daleks.

The other major trailers included another Donna-centric trailer utilising a scene between Donna and Wilfred Mott from Partners in Crime, and a mid-season trailer focusing in part on the return of Rose Tyler in Turn Left.

Other Series 4 promotional videos[[edit]]

There were also other non-narrative clips advertising the fourth series.

Christmas Special[[edit]]

On 1 December 2007, a 60-second BBC One Christmas Drama advert began airing on television, it featured several clips from Doctor Who. It was later released online on the Doctor Who website,[6] and the music used was "Let Me Entertain You (from 'Gypsy')" by Sandra Church.

On 8 December, a 90-second advert began being screened in Odeon cinemas, the music used was "The Doctor's Theme" and "End of the World" by Terry Devine-King.[7] After an exclusive cinema-only run the advert was released online on the Doctor Who website and YouTube on 14 December.

Also on 8 December, a 10-second teaser began airing on BBC One, and was released online as part of the Adventure Calendar on the Doctor Who website and YouTube. A further three trailers began airing on BBC One, a 40-second one on 15 December,[8] a 20-second one on 16, and another 40-second one on 21; these too were released online on the Doctor Who website and YouTube. The last one marked the final use of the 2005 arrangement of the Doctor Who theme as the current theme.

Main series[[edit]]

A 90-second trailer began being screened in Cineworld, Empire & Odeon cinemas from 1 February 2008 as part of a deal with Carlton Screen Advertising.[9][10] It used graphic elements created for the Christmas Special trailers, and the music used was "All the Strange, Strange Creatures". It featured clips from Partners in Crime [+]Loading...["Partners in Crime (TV story)"], The Fires of Pompeii [+]Loading...["The Fires of Pompeii (TV story)"], Planet of the Ood [+]Loading...["Planet of the Ood (TV story)"], The Sontaran Stratagem [+]Loading...["The Sontaran Stratagem (TV story)"], The Poison Sky [+]Loading...["The Poison Sky (TV story)"], The Unicorn and the Wasp [+]Loading...["The Unicorn and the Wasp (TV story)"], Midnight [+]Loading...["Midnight (TV story)"], and Turn Left [+]Loading...["Turn Left (TV story)"].

After an exclusive cinema-only run, the trailer began airing on television from 22 March 2008.[11]

A 60-second mid-series trailer began airing from 24 May 2008, to make up for the Eurovision delay to episode 8. It used the Series 4 graphic elements, and the music was "Hellstorm" by Klaus Badelt.[12] It featured clips from Silence in the Library [+]Loading...["Silence in the Library (TV story)"] to The Stolen Earth [+]Loading...["The Stolen Earth (TV story)"].

2008-10 Specials[[edit]]

The graphic elements created for the 2007 Christmas Special and Series 4 trailers continued to be used for the 2008-10 Specials.

On 24 July 2008, the first trailer for The Next Doctor [+]Loading...["The Next Doctor (TV story)"] was shown at the Doctor Who panel at San Diego Comic-Con, but it wasn't released online until 29 October, alongside an interview with David Tennant regarding his departure from the show, on the Doctor Who website and YouTube.[13][14] It was 40-seconds long, it featured the tagline "Coming Christmas 2008 The Return of the Cybermen", and the music used was "The Cybermen".

On 1 December 2008, a 60-second BBC One Christmas Drama trailer began airing on television, which featured several clips from Doctor Who. It was also released online on YouTube, and the music used was "Donna and Blitzen" by Badly Drawn Boy.

A second 40-second trailer began airing on BBC One from 15 December 2008, and was also released online as part of the Adventure Calendar on the Doctor Who website. Again the music used was "The Cybermen".

A 60-second trailer for Planet of the Dead [+]Loading...["Planet of the Dead (TV story)"] began airing on BBC One from 31 March 2009, and the following day it was released online on the Doctor Who website.[15] A minor variation of the trailer was also shown on BBC HD at part of the "BBC HD Preview", which was near identical expect for some shots in a different order.

On 26 July 2009, the first trailers for The Waters of Mars [+]Loading...["The Waters of Mars (TV story)"] and The End of Time, Part One were shown at the Doctor Who panel at San Diego Comic-Con, with the The Waters of Mars one being released online on the Doctor Who website the following day.[16] It was 65-seconds long, and the music used was "Turn Left" and "Corridors and Fire Escapes". On 4 November 2009, a second 60-second trailer began airing on BBC One,[17] and again the following day it was released online on the Doctor Who website.[18] A third 20-second trailer began airing on BBC One from 6 November 2009. It was a narrative trailer, and utilised clips applied with CCTV effects to mimic found footage.

On 15 November 2009, a 30-second narrative trailer for Dreamland [+]Loading...["Dreamland (TV story)"] began airing on BBC One. It was narrated by Stuart Milligan in character as Colonel Stark giving a situation report. The music used was "Ear of God" and "Seismic Syndrome" by Mel Wesson, Bruce Fowler, Steve Kofsky and Hans Zimmer.[19] It was later released online on the Doctor Who website.

On 3 December 2009, a 60-second BBC One Christmas Drama trailer began airing on television, it featured several clips from Doctor Who. It was also released online on YouTube, and the music used was "Let Your Love Grow Tall" by Passion Pit.

A 40-second trailer for The End of Time, Part One began airing on BBC One from 16 December 2009. It used the diegetic sound of the Master's "drumming" instead of music. Another 40-second trailer for Part Two began airing on BBC One from 25 December 2009. It was also released online on the Doctor Who website, and the music used was "The Doctor's Theme Series Four" and "Final Days".


External links[[edit]]

Footnotes[[edit]]

  1. David Tennant Takes Dr Who TV Break for Hamlet
  2. https://www.facebook.com/127031120644257/posts/3101039756576697?sfns=mo
  3. https://www.ign.com/articles/doctor-who-limited-edition-complete-new-who-blu-ray-set-is-up-for-preorder
  4. https://hmv.com/Store/Film-TV/Blu-ray/Doctor-Who-Series-1-4?clickref=1101lxWJx3d4&utm_source=Visualsoft&utm_medium=affiliate&utm_campaign=skimlinks_phg
  5. https://cultbox.co.uk/news/remastered-doctor-who-series-1-4-blu-ray-coming-in-november
  6. Long Voyage. bbc.co.uk (4 December 2007). Retrieved on 19 January 2019.
  7. From the album Horror & Thriller Movies WOMG 011.
  8. New Trailer. bbc.co.uk (15 December 2007). Retrieved on 19 January 2019.
  9. Doctor Who hits the big screen. bbc.co.uk (1 February 2008). Retrieved on 1 February 2021.
  10. BBC launches cinema push to back Doctor Who. Campaign US (1 February 2008). Retrieved on 1 February 2021.
  11. Series Four Trailer. bbc.co.uk (17 March 2008). Retrieved on 20 January 2019.
  12. From the album Directors Cuts: Epic Choral DCD019.
  13. David Tennant to leave Doctor Who. bbc.co.uk (29 October 2008). Retrieved on 22 January 2019.
  14. DAVID TENNANT TO LEAVE DOCTOR WHO. bbc.co.uk (29 October 2008). Retrieved on 22 January 2019.
  15. Planet of the Dead Trailer Revealed!. bbc.co.uk (1 April 2009). Retrieved on 23 January 2019.
  16. New Trailer for The Waters of Mars. bbc.co.uk (27 July 2009). Retrieved on 23 January 2019.
  17. Tantalizing!. bbc.co.uk (4 November 2009). Retrieved on 23 January 2019.
  18. Stunning New Trailer!. bbc.co.uk (5 November 2009). Retrieved on 24 January 2019.
  19. From the album Directors Cuts: Rises DCD028.