Knock Knock (TV story)

Knock Knock
Doctor:	Twelfth Doctor
Companion(s):	Bill
Featuring:	Nardole
Main enemy:	The Landlord, Dryads
Main setting:	11 Cardinal Road, Bristol, 2017
Key crew
Writer:	Mike Bartlett
Director:	Bill Anderson
Producer:	Nikki Wilson
Release details
Story number:	266
Premiere broadcast:	6 May 2017
Premiere network:	BBC One
Format:	1x45 minute episode
Official trailer
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Behind the scenes video
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Doctor Who television stories
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Knock Knock was the fourth episode of the tenth series of Doctor Who produced by BBC Wales. This was the first Doctor Who story to be made available with a binaural 360 soundscape, released on iPlayer.

The episode expands the Doctor and Bill's relationship briefly when he tells her about the Time Lords, the alien race he belongs to and quickly mentions regeneration to her, but doesn't explain what regeneration actually is to her.

Synopsis

Bill and her friends rent an old house to live in, but the floorboards and the walls are creaking, and there's a creepy Landlord lurking around. Can the Twelfth Doctor save the day as creatures come crawling out of the wood?

Plot

Bill and her friends are at an estate agent looking for a home. After failing to find one, they are confronted by The Landlord who offers them a large house to live in. They sign the contract given by the Landlord to rent the house. Pavel goes up to his room and starts to play some classical music. The Dryads come out of the walls and devour him as the audio begins to skip.

Bill is in the TARDIS with the Twelfth Doctor, who wants to see Bills house. He helps her move her stuff into the house, but then is asked to leave by Bill saying that she'll go on more TARDIS adventures later but for now she wants to settle.

Cast

• The Doctor - Peter Capaldi
• Bill - Pearl Mackie
• Nardole - Matt Lucas
• The Landlord - David Suchet
• Eliza - Mariah Gale
• Shireen - Mandeep Dhillon
• Felicity - Alice Hewkin
• Paul - Ben Presley
• Harry - Colin Ryan
• Pavel - Bart Suakvek
• Estate Agent - Sam Benjamin
• Young Landlord - Tate Pitchie-Cooper

Crew

Executive Producers   Steven Moffat and Brian Minchin

Written by Mike Bartlett	Produced by Nikki Wilson	Directed by Bill Anderson	Director of Photography Damien Bromley	Production Designer Michael Pickwoad	Visual Effects Milk BBC Wales VFX
Make-up Designer Barbara Southcott	Casting Director Andy Pryor CDG	Music Murray Gold	Costume Designer Hayley Nebauer	Edited by Adam Trotman	Special Effects Real SFX
Original theme music by Ron Grainer  •  Titles by BBC Wales Graphics  •  With thanks to National Orchestra of Wales  Music conducted & orchestrated by Alastair King  •  Music score assistant - Jack Sugden   •  Music mixed by Jake Jackson  •  Music recorded by Gerry O'Riordan

General production staff Head of Production - Gordon Ronald Production Executive - Tracie Simpson Line Producer - Steffan Morris Production Manager - Adam Knopf Location Manager - Nicky James Unit Manager - Beccy Jones Production Co-ordinator - Sandra Cosfeld Assistant Production Co-ordinator - Nicola Chance Production Assistants - Virginia Bonet, Jamie Shaw Unit Drivers - Sean Evans, Kyle Davies Unit Medic - Glyn Evans Business Affairs Executive - Carol Griggs Production Accountant - Simon Wheeler Assistant Accountant - Justine Wooff Script department Script Editor - Nick Lambon Script Executive - Lindsey Alford Assistant Script Editor - Emma Genders Camera and lighting department 1st Assistant Director - Sarah Davies 2nd Assistant Director - James DeHaviland 3rd Assistant Director - Christopher J Thomas Assistant Directors - Rhun Llewelyn, Lauren Pate Script Supervisor - Nicki Coles Camera Operator - Mark McQuoid Focus Pullers - Jonathan Vidgen, Elhein De Wet Grip - John Robinson Assistant Grip - Sean Cronin Camera Assistants - Gethin Williams, Drew Marsden, Dan Patounas Gaffer - MarkHutchings Best Boy - Andy Gardiner Electricians - Gawain Nash, Gareth Sheldon, Bob Milton, Sion Davies	Art department Supervising Art Director - Henry Jaworski Art Director - Tim Overson Art Department Accountant - Alison Harvey Production Buyer - Jen Saguaro Set Decorator - Adrian Anscombe Prop Buyers - Jo Pearce, Charlotte Lailey de Ville Storyboard Artist - Mike Collins Concept Artist - Darren Fereday Graphic Artist - Matt Clark Standby Props - Matt Ireland, Jonathan Barclay Standby Carpenter - Paul Jones Prop Hands - Scott Howe, Nigel Magni, Matt Watts Standby Art Director - Nick Murray Rigging - Shadow Scaffolding Standby Rigger - Colin Toms Head Scenic Artist - Clive Clarke Painters - Steve Nelms, John Nelms, Paul Murray, Debby McShane Storeman - Jamie Southcott Prop Master - Paul Smith Props Chargehand - Kyle Belmont Props Driver - Gareth Fox Construction Manager - Terry Horle Construction Chargehand - Dean Tucker Construction Driver - Jonathan Tylke Construction Labourer - Jason Tylke Practical Electricians - Callum Alexander, Austin Curtis Graphics Assistant - Jack Bowes Draughtsperson - Kartik Nagar Chargehand Carpenter - John Sinnott Carpenters - Tim Burke, Matt Ferry, Chris Daniels, George Rees, Dan Berrow, Tom Berrow, Keith Richards, Campbell Frazer, Joe Painter, Alan Jones, Mike Venables Title Concept - Billy Hanshaw Costume department Costume Supervisor - Kat Willis Assistant Costume Designer - Zoe Howerska Costume Assistants - Rebecca Cunningham, Leila Headon, Jenny Tindle	Make-up and prosthetics Make-up Supervisor - James Spinks Make-up Artists - Megan Bowes, Lolly Goodship Movement Stunt Co-ordinator - Crispin Layfield Stunt Performer - Karen Teoh Casting Casting Associate - Ri McDaid-Wren Casting Assistant - Louis Constantine General post-production staff Post-production Supervisor - Samantha Price Post-production Co-ordinator - Hannah Jones Assistant Editors - Becky Trotman, David Davies On-line Editors - Geraint Pari Huws, Mark Hardyman Assistant On-line Editor - Christine Kelly Special and visual effects VFX Editor - Dan Rawlings Special Creature Effects & Prosthetics - Millennium FX Colourist - Gareth Spensley Sound Sound Recordist - Deian Llŷr Humphreys Dubbing Mixer - Mark Ferda Sound Maintenance Engineers - Tam Shoring, Christopher Goding Dialogue Editor - Darran Clement ADR Editor - Matthew Cox Effects Editor - Harry Barnes Foley Editor - Simon Clement Foley Artist - Julie Ankerson

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.

References

Culture

• Bill makes reference to Indiana Jones.
• Shireen says "I'm a celebrity, get me out of here", a reference to the reality TV series. She also refers to the building as a "freaky Scooby Doo house".
• Paul says that a freshers' party is being held in the park.
• Fireworks are used at the party.

Music

• The figure behind the Vault can play the piano.
• Pavel has a vinyl record, DVD players and speakers.
• Bill has a whole playlist on Spotify with Little Mix on her phone. The playlist includes the song Black Magic.
• One of the tenants from 1977 owned the David Bowie album Heroes.
• Pavel has Bach: Sonata #1 by Itzhak Perlman playing in G Minor for Solo Violin, BWV 1001 - 1. Adagio.
• The figure behind the Vault plays Für Elise by Beethoven and Pop Goes The Weasel, a famous nursery rhyme, on a piano.

Locations

• When Felicity bemoans the lack of phone reception, Shireen says she needed a landline and Felicity jokingly asks "What is this, Scotland?".
• A house on Mill Lane, Bristol, is shown on the estate agent's computer.
• The park is the location of a freshers' party.
• Shireen has once been to Morocco.

Businesses

• A shop named The Fabric Mill is seen.
• A cement factory can be found next to one of the houses that the students check out.

Technology

• The house has no washing machines.
• The plugs can't take the students' phones.
• The house has an old-fashioned television set.
• The hob is from the 30s.
• Pavel plays a vinyl record using a USB turntable.
• The Doctor uses the sonic screwdriver as a light source.
• Eliza has a music box.
• There's a typewriter in the basement.

Science

• The Doctor finds an oil burning heater.

Species

• 11 Cardinal Road has skulls from gazelles hanging on the walls.
• Paul and Shireen jokes to Felicity that the house possibly has a "doll, that's come to life" or a "massive, freaky spider", to which Bill says it's probably just a mouse, and Felicity indirectly says she has a fear of mice.
• Bill asks if there's a cat in the house. The Landlord denies this.
• Time Lords need to sleep after regeneration.
• At first, the Doctor suggests that the walls could be infested with wood nymphs or tree spirits.
• Upon discovering the Dryads the Doctor says he expected a gaseous creature or a microscopic one.
• The Doctor calls the woodlice Dryads, though he later reverts to just calling them lice.
• The bass player in Quincy Jones' band turned out to be a Klarj Neon Death Voc-Bot.
• Shireen thinks the Dryads are cockroaches.
• The Doctor mentions flies.

Foods and beverages

• The house has a picture of a bowl of pears.
• There's a book on Farmhouse Cooking in the kitchen.
• The students eat Chinese. The Doctor loves Chinese.
• The Doctor (noisily) eats a krupuk.
• The Doctor brought Mexican food for himself and the prisoner in the Vault.

People

• Bill has a teddy bear.
• Harry's grandfather and his boyfriend once got arrested for trying to steal a bit of the Great Wall of China.
• Bill hangs up a photo of her mum.
• Asking the Landlord who is the Prime Minister, the Doctor lists Margaret Thatcher, Harriet Jones, Harold Wilson and Anthony Eden as candidates.
• The Landlord has a tuning fork.
• The Doctor calls Harry "Simon" and Felicity "Florence".
• The Doctor once sat in on a recording session for Quincy Jones when the bass player (who couldn't play anyway) was revealed to be a Klarj Neon Death Voc-Bot.
• Felicity is Musophobic and Claustrophobic.
• Felicity tried to call the police.
• Shireen wanted to call an ambulance.
• A tenancy agreement from 2 September 1997 was signed by Jake Christie, Annie Wren, Jonathan Frost, Sarah Tiller, Mark Hopethorne and Carl Richards. There is a further agreement from April and signed in May 1977 and one from 1957.

Organisations

• Bill and her friends go to Redcliffe Lettings to find a new house to live in.
• Redcliffe Lettings' phone number is 01174 960313.

The Doctor

• The Doctor offhandedly mentions regeneration to Bill; he avoids elaborating on it.

TARDIS

• Bill suggests the Doctor make the TARDIS a removal service.

Story notes

File:David Suchet and Mike Bartlett - The Aftershow - Doctor Who The Fan Show

• David Suchet said in The Fan Show: The Aftershow that he used a real life experience of being covered in woodlice for the scene where the Dryads come crawling all over the Landlord.
• In an interview for Doctor Who Magazine #512, writer Mike Bartlett indicated that Harry was intended to be the grandson of Fourth Doctor companion Harry Sullivan, but the reference was cut. A possible remnant of this has Harry recognising the Doctor's name and calling him a "legend", despite the episode establishing that Bill is not yet closely acquainted with her new flatmates.
• Weird People by Little Mix is playing extra-diegetically in the scenes where Bill and her friends are looking for a new house.
• Shireen refers to 11 Cardinal Road as "a freaky Scooby Doo house". The episode was partly filmed on location on the same property used for Wester Drumlins in TV: Blink - in which a character also referred to the place as "Scooby Doo's House".

Ratings

to be added

Filming locations

• Fields Park Road, Newport, South Wales

Production errors

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.

to be added

Continuity

• The Doctor mentions Prime Minister Harriet Jones, who ascended after aiding his ninth incarnation in defeating the Slitheen. (TV: Aliens of London/World War Three) His tenth incarnation, however, would set in motion her deposition after she ordered the destruction of the retreating Sycorax. (TV: The Christmas Invasion) She would help save the world one final time against the Daleks. (TV: The Stolen Earth)
• The TARDIS materialises around Bill's possessions. It had done so previously around passengers. (TV: The Parting of the Ways, Blink, The Runaway Bride, Dinosaurs on a Spaceship, Hell Bent)
• The Doctor mention that he ran away from his people. (TV: The Name of the Doctor)
• The Doctor says he loves Chinese. (TV: The Power of Three)
• Bill says there are bits of her life that the Doctor is not in. Amy Pond and Rory Williams used to have a double-life, (TV: The Power of Three) and so did Clara Oswald. (TV: The Day of the Doctor)
• When Bill says they should get the Doctor, Shireen asks if he's gonna give a lecture. (TV: The Pilot)
• The Doctor remarks on the Time Lords' dress sense, having done so earlier in his life. (TV: Time Crash, Journey to the Centre of the TARDIS, Nightmare in Silver, Hell Bent)
• The Doctor reveals he's a Time Lord. (TV: The War Games et al., Doctor Who, The End of the World et al.)
• Regeneration is mentioned. (TV: The Tenth Planet/The Power of the Daleks, The War Games, Planet of the Spiders/Robot, Logopolis/Castrovalva, Destiny of the Daleks, The Caves of Androzani, Time and the Rani, Doctor Who, The Night of the Doctor, The Day of the Doctor, The Parting of the Ways, Utopia, The Stolen Earth/Journey's End, The End of Time, Day of the Moon, Let's Kill Hitler, The Time of the Doctor, Hell Bent)
• The Doctor mentions regeneration, but glosses over it, similar to how his tenth incarnation did such with Martha Jones in regards to his race. (TV: Gridlock)
• The Doctor had previously faced creatures who absorbed people into walls. (TV: Flatline)
• Bill introduces the Doctor as her grandfather. The Doctor once travelled with his granddaughter Susan Foreman, who called him grandfather. (TV: An Unearthly Child - The Dalek Invasion of Earth, The Five Doctors)
• The Doctor takes offence at being described as Bill's grandfather, suggesting father be more accurate given his appearance. (TV: The Caretaker)
• Bill's sexuality is mentioned as she informs Paul, after he makes romantic overtures, that he isn't her type and she prefers girls. (TV: The Pilot)
• Bill puts a picture of her mother, which was taken by the Doctor, on the wall. (TV: The Pilot)
• One of the flat mates theorise dolls could be creeping around upstairs. The Doctor encountered a house of dolls in his eleventh incarnation. (TV: Night Terrors)
• The Doctor uses the sonic screwdriver as a light source. (TV: Thin Ice)
• The Doctor has met people made of wood before. (TV: The End of the World, The Doctor, the Widow and the Wardrobe)
• The Vault is tended to by Nardole once more, the Doctor revealing a piano is inside. (TV: The Pilot, Thin Ice)
• In an attempt to convince herself that there's nothing strange about the house, Bill remarks that "There's no living puddles or weird robots, big fish..." (TV: The Pilot, Smile, Thin Ice)
• The Doctor claims sleep is for tortoises, (TV: The Talons of Weng-Chiang) as he doesn't sleep much himself, (TV: Good Night) usually only after regeneration (TV: Spearhead from Space, Robot, Castrovalva, Time and the Rani, The Christmas Invasion, Deep Breath) or after a big lunch. (TV: The Two Doctors)
• The Doctor refuses to "high-five" Harry. (TV: Time Crash, Under the Lake)
• Nardole says the prisoner has gotten a little restive lately. (TV: Thin Ice)

Home video releases

DVD releases

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Blu-ray releases

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Digital releases

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External links

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