The Hungry Earth (TV story)

The Hungry Earth
Script release:	online here
Doctor:	Eleventh Doctor
Companion(s):	Amy, Rory
Featuring:	Malohkeh
Main enemy:	Alaya
Main setting:	Cwmtaff, 2020
Key crew
Writer:	Chris Chibnall
Director:	Ashley Way
Producer:	Peter Bennett
Release details
Story number:	209a
Premiere broadcast:	22 May 2010
Premiere network:	BBC One
Format:	1x45 minute episode
Production code:	1.8
Confidential:	After Effects
Toby Hadoke's Who's Round:	THWR 161
Official trailer
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Doctor Who television stories
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Next →	Cold Blood
Production order
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Next →	Cold Blood

The Hungry Earth was the eighth episode of series 5 of Doctor Who.

It was the first part of a two-part story that featured the first televised re-appearance of the Silurians since 1984's Warriors of the Deep. It also introduced a new branch of the Silurian species, who are different both in appearance and in culture.

Synopsis

It's 2020, and the most ambitious drilling project in history has reached deeper beneath the Earth's crust than man has ever gone before — but now the ground itself is fighting back. The Eleventh Doctor, Amy and Rory arrive in a tiny mining village, and find themselves plunged into a battle against a deadly danger from a bygone age.

Plot

In 2020, in the small Welsh village of Cwmtaff, a team led by Dr Nasreen Chaudhry is attempting the deepest drilling project in history to investigate minerals that have appeared locally, but otherwise have not been seen on Earth's surface for over twenty million years. Mo Northover, a night watchman on the project, is helping his dyslexic son Elliot read the book The Gruffalo, without his headphones for the audio option. His wife Ambrose gives him his lunch and sends him off to work.

At the site, Ambrose's father, Tony Mack, is celebrating their latest drill with Nasreen. They have reached their latest goal of 21 kilometres. Mo arrives and sends them off so he can start his shift, happy to a have a peaceful night to himself. By night time, a strange earthquake strikes. Investigating, he finds a smoking hole in a storeroom floor. He plunges his hand in and finds nothing beneath it but air. After his torch is dropped onto the dirt, though, he watches as it sinks. He manages to pull himself away, but bumbles, getting his feet stuck in the dirt. He is promptly dragged down.

Shortly thereafter, the Eleventh Doctor arrives in Cwmtaff with Amy Pond and Rory Williams, having promised them a vacation in Rio de Janeiro, missing by several thousand miles; the TARDIS has brought them to the wrong place yet again, much to the annoyance of the companions. As they look across the valley, Amy spots two figures waving at them from the opposite hillside. It is Amy and Rory from ten years in their future, coming back to revisit past glories. Though she finds this "interaction" with her future self thrilling, Amy still wants to go to their intended destination. However, the Doctor is intrigued by blue grass in the cemetery where the TARDIS has parked, as well as the drilling operation in the valley below; it's the reason the ground "doesn't feel right". He insists they investigate, much to Amy's annoyance and expectation.

While the Doctor and Amy head off to explore, Rory returns Amy's engagement ring to the TARDIS for safekeeping, promising to catch up to them. As he leaves the police box, he is stopped by Ambrose Northover, who mistakes him for an investigator she called down for. Seeing that he cannot get away, Rory decides to play along until he gets an opportunity to run. Along with her son Elliot, Ambrose explains that her aunt Gladys' grave has been dug up without the round being disturbed. The body, the coffin — it all just disappeared! While Ambrose leaves to get tea, Elliot talks to a baffled Rory, telling him his conclusion is that the bodies are eaten by the graves. He learned to think this way from his Sherlock Holmes audiobooks: "When you've eliminated the impossible, whatever remains, however improbable, must be the truth." Travelling with the Doctor, Rory knows Elliot may just be right.

The Doctor struggles to prevent Amy from being pulled underground.

At the mine, the Doctor and Amy meet Nasreen and Tony, who are investigating the hole in the storeroom. Checking the readings on Nasreen's computer, the Doctor announces the earth is shifting when it shouldn't be; specifically, the shifting is only and directly under this room. Abruptly, another earthquake strikes and more holes appear. As the group rushes to escape, Tony is caught in one of the holes. Despite the Doctor's orders that she keep moving, Amy stops and tries to help Tony, only to be caught in one of the holes herself. Nasreen and the Doctor double back to help the two. Nasreen helps Tony to safety, and the Doctor orders them to shut the drill down while he holds onto Amy. Though he promises not to let go of her, he can't stop her from being pulled under.

When Nasreen and Tony return — having shut off the drill too late to save Amy — the trio continues inspecting the earth. The Doctor deduces the earth was bio-programmed to attack whenever it perceived a threat. Nasreen's drill, which has breached a network of tunnels twenty-one kilometres down, was such a threat.

Transport pods are heading for the surface and will arrive in twelve minutes. The Doctor, Nasreen and Tony gather the equipment and make for the local church, where they encounter Rory, Ambrose and Elliot; the Doctor dismisses Rory's concerns about the graves. The attackers create an energy barrier around the town to prevent escape. Ambrose and Rory are furious their loved ones have been lost, but the Doctor promises to get them back, though he requires their cooperation. The group sets up a network of cameras and security alarms around the church and continues monitoring the pods' ascent via Nasreen's computers. Elliot, meanwhile, draws a map of the entire village, marking the locations of the cameras placed. The Doctor, distracted by the impending threat, allows Elliot to leave the safety of the church so he can return home and collect his headphones.

The attack begins with the energy barrier blocking out all light. The attackers' advanced technology knocks out all the electricity in the area including the camera network, leaving the group blind. Elliot is chased back to the church by a reptilian, humanoid creature. It catches up with him before the group can open the church door. Ambrose races into the night, calling for her son. She is attacked by one of the creatures. When Tony steps in to rescue her, the creature lashes at him with its venomous tongue. The Doctor gives chase, using special sunglasses to determine that the creatures belong to a species he's encountered before. With Rory's help, they trap it in the back of Ambrose's Meals on Wheels van, with the cold putting it to sleep due to its reptilian nature. The other creatures flee; both sides have hostages now.

Amy awakes beneath the surface; she is trapped in a clear container. Banging her fists against the container, Amy demands that whoever put her in the container let her go. Despite her protests, a shadowy figure with a surgical mask activates a control, flooding the container with gas that knocks her out again.

The Doctor and Rory bring the creature to the church cellar, and restrain it with chains. The Doctor deduces it is a member of an unknown, three-hundred-million-year-old branch of the Silurians, the reptilian race that inhabited Earth before the humans; he's failed numerous times before to make peace between them and humanity, mostly due to humanity being uncompromising. He confronts the prisoner, a warrior called Alaya. She says the Silurians have been hibernating below Cwmtaff for countless centuries, but their civilisation was disturbed by the drill, threatening its safety. The Doctor tries to negotiate with her, but Alaya declares war. The Silurians will wipe humanity off the surface of the planet, and reclaim what is rightfully theirs.

The Doctor returns to the church hall and informs his companions that he will travel beneath the surface to commence negotiations and rescue Amy, Mo and Elliot. While Tony insists they dissect Alaya to learn more about what they are facing, the Doctor refuses. If they are to get their loved ones back unharmed, Alaya must be kept alive. He entrusts the humans with this responsibility, paying particular attention to Ambrose, who has opposed his actions so far and likely poses the most danger to his attempts to once more broker peace between Silurian and human. As the Doctor goes out to the TARDIS, Nasreen follows, asking to go down with him; he reluctantly agrees. Nasreen and Tony share a passionate kiss before she departs. Tony returns to the church and inspects his wound in a mirror, horrified to realise that the veins around the injury are turning green.

Rory, Ambrose and Tony visit Alaya, who warns them that one of them will kill her, which will ignite a huge war between the two species. And she knows which one of them will do it...

Below the surface, Amy regains consciousness again. She is strapped to a standing surgical table in a Silurian surgery. Mo is imprisoned next to her and warns her of her impending live dissection. He reveals a long scar stretching down from his chest as evidence of this. Amy hears footsteps and looks forward. She sees tools banging and chiming behind a masked surgeon. She begins to struggle as the surgeon approaches her with a scalpel. He closes in on her. Amy struggles, but can't break free as the surgeon enters her surgical chamber.

The Doctor and Nasreen discover the Silurian city.

In the meantime, the TARDIS is dragged under by the bio-programmed soil and into a cavern deep within the Earth. The Doctor and Nasreen begin exploring the surrounding tunnels in search of the Silurian camp. The Doctor warns Nasreen to expect a small group of perhaps a dozen Silurians. However, she points him to an entire civilisation living beneath the Earth, stretching for miles around.

Cast

• The Doctor - Matt Smith
• Amy Pond - Karen Gillan
• Rory - Arthur Darvill
• Alaya - Neve McIntosh
• Nasreen Chaudhry - Meera Syal
• Tony Mack - Robert Pugh
• Ambrose - Nia Roberts
• Mo - Alun Raglan
• Elliot - Samuel Davies

Crew

Executive Producers   Steven Moffat, Piers Wenger and Beth Willis

General production staff Production Executive - Julie Scott Line Producer - Patrick Schweitzer Production Manager - Steffan Morris Location Managers - Gareth Skelding, Christian Reynish Unit Manager - Rhys Griffiths Production Co-ordinator - Jess van Niekerk Production Management Assistant - Claire Thomas Production Runner - Sian Warrilow Production Accountant - Ceri Tothill A/Production Accountant - Carole Wakefield Script department Script Editor - Lindsey Alford Camera and lighting department 1st Assistant Director - Marcus Catlin 2nd Assistant Director - James DeHaviland 3rd Assistant Director - Heddi-Joy Taylor-Welch Runners - Nicola Eynon Price, Laura Jenkins Continuity - Non Eleri Hughes Camera Operator - Ian Adrian Camera Trainee - Darren Chesney Focus Pullers - Steve Rees, Matthew Poynter Grip - John Robinson Camera Assistants - Tom Hartley, Jon Vidgen Boom Operator - Dafydd Parry Gaffer - Mark Hutchings Best Boy - Pete Chester Electricians - Ben Griffiths, Steve Slocombe, Bob Milton, Alan Tippets	Art department Supervising Art Director - Stephen Nicholas Art Department Co-ordinator - Amy Pope Oakes Associate Designer - James North Production Buyer - Ben Morris Set Decorator - Julian Luxton Props Buyer - Adrian Anscombe Set Designer - Rhys Jarman Storyboard Artist - James Iles Concept Artists - Richard Shaun Williams, Peter McKinstry Graphic Artist - Jackson Pope Standby Props - Phill Shellard, Tom Evans Standby Carpenter - Will Pope Standby Art Director - Arwel Wyn Jones Standby Rigger - Keith Freeman Standby Painter - Ellen Woods Props Master - Paul Aitken Props Chargehand - Matt Wild Dressing Props - Martin Broadbent, Rhys Jones Props Makers - Penny Howarth, Nicholas Robatto Construction Manager - Matthew Hywel-Davies Construction Chargehand - Scott Fisher Practical Electrician - Albert James Graphics - BBC Wales Graphics Costume department Costume Supervisor - Lindsay Bonaccorsi Costume Assistants - Sara Morgan, Maria Franchi Costume Trainee - Nikki Lightfoot	Make-up and prosthetics Make-up Supervisor - Pam Mullins Make-up Artists - Abi Brotherton, Morag Smith Prosthetics - Millennium FX Movement Stunt Co-ordinator - Crispin Layfield Casting Casting Associates - Andy Brierley, Alice Purser General post-production staff Post-production Supervisors - Chris Blatchford, Ceres Doyle Post-production Co-ordinator - Marie Brown Assistant Editor - Becky Trotman On-line Conform - Matthew Clarke, Mark Bright Special and visual effects VFX Editor - Cat Gregory Colourist - Mick Vincent Sound Sound Recordist - Bryn Thomas Dubbing Mixer - Tim Ricketts Sound Maintenance Engineer - Jeff Welch Dialogue Editor - Darran Clement Supervising Sound Editor - Paul McFadden Sound Effects Editor - Paul Jefferies

Not every person who worked on this adventure was credited. The absence of a credit for a position doesn't necessarily mean the job wasn't required. The information above is based solely on observations of the actual end credits of the episodes as broadcast, and does not relay information from IMDB or other sources.
Despite the centrality of prosthetics to creating the Silurians — and indeed the inclusion of an interview with Rob Mayor on CON: After Effects — no member of Millennium FX's staff received an individual credit on this episode.  Similarly, Davy Jones was fairly extensively interviewed in CON: After Effects, where he was clearly shown to be doing the job of the prosthetics make-up artist. However he wasn't credited for his work. This was the first time he was visually confirmed to be working on Doctor Who since The Parting of the Ways.  Malcolm Hulke did not receive a credit for creating the Silurians, though he does later on in TV: A Good Man Goes to War.

Worldbuilding

• The Doctor, and later Ambrose, quote "every little helps" when looking for objects in the van, a reference to the famous slogan of Tesco, a large supermarket chain in the United Kingdom.
• The Doctor also refers to the Silurians as "Eocenes", "Homo Reptilia", and "Earth...lians".

Literature from the real world

• The book which Mo Northover reads to Elliot is The Gruffalo.
• Elliot quotes Sherlock Holmes: "When you eliminate the impossible, whatever remains, no matter how improbable, must be the truth." At the time, Steven Moffat was developing Sherlock.

Technology

• The Doctor has a pair of sunglasses that function as infra-red thermal imaging scanners.
• The sonic screwdriver still can't "do wood."

Individuals

• The Doctor uses Leonardo da Vinci and Albert Einstein as examples of people with dyslexia.

The Doctor

• The Doctor carries a slingshot in his pocket.
• The Doctor can't make a decent meringue.

Notes

• According to The Brilliant Book 2011, the working title for this episode was The Ground Beneath Their Feet.
• Despite the press release saying that the story would take place in 2015, it actually took place in 2020. It may have been changed due to some events of the previous episode happening in (a dream version of) 2015.
• The visor's different scanning types are reminiscent of the helmets used by the aliens in the Predator film series. Also when Matt Smith moves his hand when looking through the heat scanning glasses, there is the same "swish" sound heard when the Predator changes scanning type.
• Matt Smith celebrated his twenty-seventh birthday during the filming of this episode.
• Amy and Rory see future versions of themselves in 2020 from a distance, seemingly revisiting their past adventure and watching their past (current, from a series perspective) selves. However, time is altered at the end of Cold Blood ^[+]Loading...["Cold Blood (TV story)"], and only Amy is seen at a distance in that episode.
• When Amy goes to say hello to their future selves, the Doctor stops her, saying, "Things can get very complicated".
• This is the first televised Silurian story to feature a female member of the species; AUDIO: Bloodtide ^[+]Loading...["Bloodtide (audio story)"], released approximately 9 years before this story aired, featured a female Silurian in the form of Sh'vak.
• Originally, Mo and Amy were to be stripped down to their underwear before being dissected. This was removed as "too adult".
• This is the first episode which does not credit the creator of an already established species since the revival.
• According to DWA 172, in the early stages of production, the new Silurians' masks were intended to be quite similar to the originals, only with green scales. This design was eventually used for Horlak in COMIC: The Lost Dimension ^[+]Loading...["The Lost Dimension (comic story)"].
• This episode aired on the same day the K9 episode Mutant Copper ^[+]Loading...["Mutant Copper (TV story)"] was first broadcast on Disney XD in Britain. It also aired on the same day that Jaws of Orthrus ^[+]Loading...["Jaws of Orthrus (TV story)"] was first broadcast on Network Ten in Australia.
• Though the term homo reptilia makes its television debut here, the Third Doctor introduced the term to the DWU in Doctor Who and the Cave-Monsters ^[+]Loading...["Doctor Who and the Cave-Monsters (novelisation)"], the novelisation of TV: Doctor Who and the Silurians ^[+]Loading...["Doctor Who and the Silurians (TV story)"].
• The Silurians wear armour similar to what the Sea Devils wore in TV: Warriors of the Deep ^[+]Loading...["Warriors of the Deep (TV story)"].
• This Silurian tribe have the ability to flick their long, forked tongues at their enemies, injecting them with poison. The Doctor implies that he has prior knowledge of such an ability, suggesting that he had encountered another Silurian tribe with a similar trait.
• In Doctor Who and the Silurians, another tribe of Silurians had gone into hibernation, intending to be revived 50 years later (before being destroyed). That episode was made in 1970 (with an unclear setting due to the UNIT dating controversy) and this episode was set exactly 50 years later in 2020.
• For the scene in which Amy is dragged underneath the ground, Karen Gillan stood on boxes and lowered herself into a stone compartment. Two pieces of rubber were at the opening of the compartment which expanded as she lowered herself down. A layer of soil was spread across the rubber; Gillan's ears were taped over to make sure the soil did not enter her ears. Gillan, initially scared at performing the stunt, put some of her fear and claustrophobia into the scene as she expected Amy felt the same way.
• Steven Moffat dispensed with the Silurians' third eye, which he felt was now associated with Davros. In its place, Chris Chibnall conceived the whiplike tongue with which the new Silurians could poison their enemies.
• The completed episode had a running time of sixty minutes, requiring over fifteen minutes of footage to be removed to fit its broadcast slot. Much was originally made of the fact that the Discovery Drilling Project was under pressure from its financial backers to reach greater depths more quickly.
• Originally, it was a number of armadillo-like dinosaurs who were responsible for the abductions, and the holes in the ground were their routes to the surface. One reason for their inclusion was to allow the Silurians to remain unseen until the end of the episode, much like how Doctor Who and the Silurians had delayed the creatures' first appearance until its third episode. However, it soon became clear that the budget would not accommodate both computer animation for the Armasaurs and the sophisticated prosthetics necessary for the Silurians. As a result, the Armasaurs were dropped and the humans would instead be snared by bioprogrammed quicksand. To provide the episode with a more tangible threat, Alaya's introduction would now occur earlier in the narrative.
• A deleted scene depicted Amy discussing with the Doctor how she had seen herself with Rory ten years in the future, and if that would really happen.
• Steven Moffat chose Chris Chibnall to write this two-parter based on the strength of the episodes he wrote for Torchwood — Adrift ^[+]Loading...["Adrift (TV story)"], Fragments ^[+]Loading...["Fragments (TV story)"], and Exit Wounds ^[+]Loading...["Exit Wounds (TV story)"].
• For research, Chris Chibnall read Doctor Who and the Cave-Monsters and watched the original serial, noting the freedom that Malcolm Hulke took with the novel in things he could not have done in the television format.
• Chris Chibnall considered bringing back the Sea Devils, but decided that doing two races of monster was much tougher and the story was "so clearly about the Silurians and what the Silurians want". It was quickly agreed that their involvement would be an unnecessary complication, but the design of the Silurian weapons would echo those seen in TV: The Sea Devils ^[+]Loading...["The Sea Devils (TV story)"]. Chibnall would later bring them back in TV: Legend of the Sea Devils ^[+]Loading...["Legend of the Sea Devils (TV story)"].
• Two of the Silurian names were corruptions of the names of Doctor Who writers from the Classic era; Malohkeh for Malcolm Hulke and Restac for Terrance Dicks.
• Robert Pugh would later play Craster on Game of Thrones. Matt Smith would later play Daemon Targaryen on the prequel series House of the Dragon.
• To help convey the distinct personalities of the different Silurians, Chris Chibnall recommended prosthetics which would allow much of the performer's facial features to remain visible. He also wanted to avoid any form of vocal modulation, as had previously been used for Silurian dialogue.
• The drilling plot was inspired by the Kola Superdeep Borehole, a Russian scientific project begun in 1970 on the Kola Peninsula near the Norwegian border. It eventually reached a depth of more than twelve kilometres in 1989, before falling victim to budgetary shortfalls after the demise of the Soviet Union; the drilling permanently ceased in 1995, and the project as a whole was abandoned in 2008.
• Other elements dropped from the adventure included the Silurians animating tree roots in the graveyard to drag people into the ground. This was intended to be the mechanism via which the Doctor and Nasreen travelled to the Silurian city, before Chris Chibnall realised that it would be simpler if they just used the TARDIS.
• Restac was originally male. The change in gender led to her and Alaya being played by the same actress.
• Ashley Way had previously directed six episodes of Torchwood, including Kiss Kiss, Bang Bang ^[+]Loading...["Kiss Kiss, Bang Bang (TV story)"] and Exit Wounds ^[+]Loading...["Exit Wounds (TV story)"], both of which were written by Chris Chibnall.
• This two-parter formed Block Four of season five.
• Chris Chibnall, having enjoyed when the Doctor and his companion were separated, made the decision for Amy to be absent for most of the episode. Steven Moffat also thought that, at the point in the middle of the series, it was appropriate to show the Doctor behaving differently with other people.
• With the absence of Amy, Chris Chibnall thought that Nasreen became a "de facto companion".
• Meera Syal had been a fan of the series since childhood and had been trying to secure a role in the show since its revival in 2005. She was pleased when she received it.
• Meera Syal described her character as "a very high-up, innovative geologist" who became good friends with the Doctor as the two admired each other's passion.
• Danny Hargreaves of Real SFX took advantage of an existing mechanics' pit to create the quicksand effect.
• Steven Moffat wanted the Silurians to be "completely different". They were intended to be a different branch of the same species, and so the original Silurians still existed.
• Chris Chibnall wrote for the redesigned Silurians to be beautiful and it was intended for the redesign to capture the actors' features and allow them to give stronger performances and differentiate themselves. Chibnall believed that it complemented the theme in the two-parter about how the humans and Silurians were alike and different.
• Due to the expensive prosthetics needed, extra Silurians wore face masks which prevented the need for every actor portraying a Silurian to receive the facial prosthetics.

Ratings

• Overnight ratings were 4.5 million, 4.2 million on BBC1, 0.3 million on HD for a 32.2% share.
• The official viewing figures were 6.01 million viewers.
• The final UK ratins were 6.49 million viewers.
• The Appreciation Index was 86.

Filming locations

• St. Gwynno's Church, Llanwonno, Rhondda Valley
• Bedwelty Coal Pit, Tredegar, Blaenau Gwent
• Tower Colliery, Hirwaun, Glamorgan, South Wales

Production errors

• When Rory is being shown the graves by Ambrose and Elliot, he has his arms by his side whenever the camera is focused on the latter, but when the camera is on him, his arms are linked in front of him.
• Throughout this episode, Amy's earrings seem to disappear and reappear.

If you'd like to talk about narrative problems with this story — like plot holes and things that seem to contradict other stories — please go to this episode's discontinuity discussion.

Continuity

• In TV: The Man Who Never Was ^[+]Loading...["The Man Who Never Was (TV story)"], a story set in 2011, a BBC News headline can be seen saying that the government had approved additional trials of the Cwmtaff Discovery drilling project.
• In TV: Frontios ^[+]Loading...["Frontios (TV story)"], on the planet Frontios, several characters said "the earth is hungry". Several people are also swallowed by the ground during the course of that story.
• The Doctor has encountered other branches of the Silurians previously, including the aquatic Sea Devils. Stories featuring the species include TV: Doctor Who and the Silurians ^[+]Loading...["Doctor Who and the Silurians (TV story)"], TV: The Sea Devils ^[+]Loading...["The Sea Devils (TV story)"], TV: Warriors of the Deep ^[+]Loading...["Warriors of the Deep (TV story)"], PROSE: The Scales of Injustice ^[+]Loading...["The Scales of Injustice (novel)"], and AUDIO: Bloodtide ^[+]Loading...["Bloodtide (audio story)"].
• In reply to the question, "Are you scared of monsters?" the Doctor says, "No, they're scared of me." This is similar to what the Tenth Doctor said to Reinette in TV: The Girl in the Fireplace ^[+]Loading...["The Girl in the Fireplace (TV story)"] and what the Eighth Doctor said to Destrii in COMIC: Uroboros ^[+]Loading...["Uroboros (comic story)"].
• The Third Doctor encountered a disastrous drilling project in TV: Inferno ^[+]Loading...["Inferno (TV story)"].
• The Master also cut off a small town from the outside world with an energy barrier in TV: The Dæmons ^[+]Loading...["The Dæmons (TV story)"].
• The Third Doctor also visited a small Welsh mining village in TV: The Green Death ^[+]Loading...["The Green Death (TV story)"].
• The Doctor promised to take Amy to a beach, but accidentally took her to a graveyard instead. This is the fourth time the Doctor has planned to go to the beach but ended up somewhere else. The Tenth Doctor had promised to take Donna Noble to a beach but took her to the Library in TV: Silence in the Library ^[+]Loading...["Silence in the Library (TV story)"]; the Third Doctor offered to take Sarah Jane Smith to a beach but ended up on Exxilon in TV: Death to the Daleks ^[+]Loading...["Death to the Daleks (TV story)"]; and although they were supposedly random coordinates, the Tenth Doctor was supposed to take Martha Jones to Copacabana Beach but his TARDIS was intercepted by Caw and taken to Pheros in TV: The Infinite Quest ^[+]Loading...["The Infinite Quest (TV story)"].
• The Doctor again mentions that the sonic screwdriver doesn't work on wood, as he did in TV: Silence in the Library ^[+]Loading...["Silence in the Library (TV story)"].
• The Doctor also used a church as a refuge in TV: The Dæmons ^[+]Loading...["The Dæmons (TV story)"], TV: The Curse of Fenric ^[+]Loading...["The Curse of Fenric (TV story)"], TV: Father's Day ^[+]Loading...["Father's Day (TV story)"], and TV: Amy's Choice ^[+]Loading...["Amy's Choice (TV story)"].
• The Doctor previously referred to the Silurians as "Eocenes" in TV: The Sea Devils ^[+]Loading...["The Sea Devils (TV story)"].
• When Amy is anaesthetised, she cries out, "No, no gas!" A Winder used a ring filled with knock-out gas on her in TV: The Beast Below ^[+]Loading...["The Beast Below (TV story)"].

Home video releases

Series 5 Volume 3 DVD Cover

DVD & Blu-ray releases

• Series 5, Volume Three was released on DVD and Blu-Ray in region 2/B on 2 August 2010 and region 4/B on 2 September 2010. The volume features Amy's Choice, The Hungry Earth and Cold Blood, and the featurette The Monster Diaries.
• The episode was later released in the Complete Fifth Series boxset on both DVD and Blu-ray, in region 1/A on 9 November 2010, in region 2/B on 8 November 2010 and in region 4/B on 2 December 2010.
• A DVD-only release of Series 5, Part Two, containing the latter seven episodes of the series, was released in region 1 on 26 July 2016.

Digital releases

• In the United Kingdom, this story is available on BBC iPlayer.

External links

• The Hungry Earth at the Doctor Who Reference Guide