The Unicorn and the Wasp (TV story)

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The Unicorn and the Wasp was the seventh episode of series 4 of Doctor Who.

It saw Doctor Who's take on the disappearance of famous author Agatha Christie in 1926. This also marks the third time the Doctor has had an adventure within the revived series with a famous author. It also featured some kind of threatening creature related to said author's works.

Synopsis[[edit] | [edit source]]

In 1926, Agatha Christie mysteriously disappears, only to be found ten days later at Harrogate Hotel with no memory of what happened to her. What could have been the cause? Was it a nervous breakdown? Was it a cry for help? Or did it involve a giant alien wasp and a mysterious stranger known only as the Doctor?

Plot[[edit] | [edit source]]

The TARDIS materialises outside a country estate, hidden by trees; the Tenth Doctor and Donna Noble step out. The Doctor smells the air, which has the scent of mint and lemonade and tells Donna that they have landed in the 1920s. Donna wonders if the Doctor really could tell the year by smell; he tells her it's true. However, she then points out that the vintage car coming up the driveway may have given it away. They both hide.

The car's driver, Professor Peach, parks outside the house. He is promptly greeted by his old friend, the butler Greeves, just as the local Reverend, Arnold Golightly, arrives on his bicycle. As the servants take their luggage, they exchange a few words. Peach decides to go to the library to do some research on his own. Golightly tells Professor Peach that they're at a party, he should try to relax; constantly working will be the death of him.

Watching from the side of the house, Donna tells the Doctor to forget about planet Zog — a party in the 1920s is much more fun. The Doctor tells her that the trouble is that they haven't been invited; however, then pulls out the psychic paper, saying "oh, right. Yes, we are!". Donna heads back into the TARDIS to find a dress from the 1920s to wear for the party.

Professor Peach being murdered.

In the library, Professor Peach looks at one document and realises that he was right about something kept secret all these years. Suddenly, a shadowy person comes in, and Peach quickly hides his papers, telling the person that he was just doing some mundane research. He then asks the mysterious person what he is doing with a lead pipe. The mysterious person's eyesight becomes purple as Peach mumbles, "That's impossible!". The mysterious person revealed to be a giant wasp, suddenly swings the piece of pipe at Peach's head as the Professor screams...

Back outside, the Doctor is impatiently waiting outside the TARDIS for Donna to finish changing into proper attire, reminding her that they'll be late for cocktails. Donna comes out in a period dress and with her hair done up and asks, "What do you think? Flapper or slapper?" The Doctor smiles and responds, "Flapper. You look lovely." They head for the front lawn. They are greeted by Lady Clemency Eddison, who wonders who they are. The Doctor uses the psychic paper to fake an invite and comes up with a story about meeting her at an ambassador's reception. Lady Eddison excuses herself as she is being cautious because the Unicorn is about. The Doctor, at first, mistakes this for an actual unicorn before Lady Eddison clears up the confusion by explaining that "the Unicorn" is a notorious jewel thief who is on the loose and has just struck again, having just stolen some pearls.

The Doctor and Donna meet Agatha.

Next, they meet Lady Eddison's wheelchair-using husband, Colonel Hugh Curbishley, and their son Roger, who starts to hit on Donna; the Colonel has been in his wheelchair since 1918 due to a terrible illness. Donna is confused why Lady Eddison has a different surname and the Doctor explains that the Eddison title descends through Lady Eddison, not the Colonel; one day Roger will be a lord. Roger secretly flirts with Davenport, the male servant; Donna and the Doctor easily pick up on the homosexual relationship between them and whisper quips to each other. (Donna, disappointed, says, "All the decent men are on the other bus," to which the Doctor adds, "Or Time Lords.")

Next to arrive is Reverend Golightly, whom Lady Eddison congratulates on the apprehension of two boys who tried to rob his church last Thursday night. He remarks that the Christian Fathers taught him that they should always forgive trespassers. Following the Reverend is the socialite Robina Redmond. Last to come is British mystery writer, Agatha Christie. The Doctor is ecstatic about meeting her, as she is another of his favourite authors. He admits that he was only surprised once by her books, but "It was a good once!". Still a young writer at this point, she has recently published her sixth novel. The Doctor and Donna are both impressed when she calmly notices that they're not married, as Donna has no wedding ring. Agatha is, however, unwilling to talk about her husband, who will not be joining them. Seeing that they are a person short, Lady Eddison tells Miss Chandrakala to go into the house and find Professor Peach. Golightly mentions that Peach said he was going to the library; when Miss Chandrakala investigates the library, her face changes to a look of horror...

The Doctor acquires a newspaper from Hugh's chair and reads it. He immediately realises that something is wrong when he shows Donna the date - it is the day Agatha Christie disappeared. He explains that Agatha has just discovered that her husband is having an affair. Being British, these people would normally just carry on (with stiff upper lips), but this time, that won't happen. Tomorrow morning, her car will be found abandoned by the side of a lake; ten days later, Agatha will turn up in a hotel in Harrogate with no memory of what happened. She never spoke about what happened to the day she died. A surprised Donna then asks the Doctor, "Then it's about to happen..."; he finishes "...right here, right now." Their train of thought is interrupted when Miss Chandrakala comes running back, yelling frantically that the Professor has been murdered in the library!

The Doctor finds the residue.

The Doctor and Donna race to the library to find the Professor's body, followed by Agatha. The Doctor determines that blunt force trauma was the likely cause of death, and notes that the watch broke as the victim fell — pinpointing the exact time of death to 4:15 PM. Agatha discreetly takes a piece of paper from the fireplace, but the Doctor notices her reflection in the bookcase. Donna softly asks the Doctor if he noticed the professor's murder is like the board game "Cluedo". The others arrive on the scene and decide to call the police. However, the Doctor uses his psychic paper to identify himself as Chief Inspector Smith of Scotland Yard, aka "the Doctor" and Donna as "the plucky young girl who helps me out". Donna takes issue with this description, but the Doctor explains that there are no policewomen in 1926.

While Agatha keeps the others in the sitting room until he's ready to question them, Donna asks the Doctor why they aren't calling the real police. He explains that he has found "morphic residue" — a by-product of shape-shifting — on the floor. This means that one of the others is an alien in human form. Donna then says the situation is weird; Agatha Christie wasn't literally surrounded by murder. She compares it to Charles Dickens being surrounded by ghosts at Christmas. The Doctor hints he actually experienced that, as Donna then asks if they could "drive cross country and find Enid Blyton having tea with Noddy", before asking if Noddy is real. The Doctor confirms he isn't, then rushes off.

While the Doctor tastes the residue to determine what left it, they walk past the sitting room. Donna then asks if it's like Murder on the Orient Express, where everyone did it. Agatha overhears this and finds the idea brilliant. Donna tries to tell her it's one of her best books, but the Doctor quietly hints to her that it hasn't actually been written yet, so Donna takes advantage of this to get it copyrighted in her name. The Doctor explains he and Agatha will question the suspects, handing Donna a magnifying glass to search the rooms upstairs for clues (and, he whispers, more residue). The Doctor expresses joy at being able to solve a murder mystery with Agatha. She reluctantly agrees to work with him, unhappy at the Doctor's casual attitude toward the murder.

During the interviews, the guests recount their stories of what they were doing at 4:15 PM. Each is revealed to be hiding something, except for Reverend Golightly, who claims to have been unpacking in his room. Lady Eddison claims to have been taking tea, however, she was truly surreptitiously consuming liquor. Robina Redmond claims to have been using the toilet, whilst really she was in the bathroom loading a tiny pistol. Roger Curbishley claims to have been walking alone, when he was actually having a tryst with his lover Davenport, one of the servants. Colonel Hugh claims he was reading military memoirs in the study to cover that he was actually viewing pornography and fantasising about can-can dancers - which causes him to slip into a second flashback. The Doctor manages to snap him out of it, much to Hugh's embarrassment.

The Doctor enjoys being called clever.

Agatha points out that they have nothing to go on, mentioning they need to use "ze little grey cells". This prompts the Doctor to talk about his fondness for the character of Poirot, which then causes him to remember being in Belgium once to rescue Charlemagne from an insane computer. Agatha snaps him out of this flashback and he apologises. She then points out Charlemagne lived centuries ago. The Doctor tells her that he has a very good memory, before being told he missed an important clue. The Doctor then sarcastically asks if it's the bit of paper she nicked from the fireplace, explaining that he saw her. Agatha is surprised by the Doctor having noticed this, calling him a "crafty man", much to his amusement. Agatha produces the paper she removed earlier with the letters "a-i-d-e-n", preceded by one illegible letter. It obviously spells "maiden", although neither she nor the Doctor is able to divine its significance. They hope Donna will be able to bring them more clues.

Meanwhile, Donna has come upon a locked door during her part of the investigation. She encounters Greeves, who informs her that Lady Eddison has kept the room shut for the last 40 years, after spending six months in it recovering from malaria following her return from India. With Donna pulling rank on him as an investigator from Scotland Yard, Greeves has no choice but to open the door for her. She then dismisses him. Inside the room, it is bare except for a solitary child's teddy, making Donna wonder even more why it has been sealed. She then hears a buzzing from the window, commenting that the 1920s, unlike her own time, still had bees...

Donna burns the wasp.

When she pulls back the curtain, instead of a trapped and harmless bee there is a ridiculously giant wasp outside the window. The wasp breaks in and tries attacking her, as Donna backs up to the window. Donna begins yelling for the Doctor, who would know what to do against this thing. Using the magnifying glass, Donna burns the wasp with the sun's rays, allowing her to run outside just as the wasp impales its stinger in the door.

The Doctor and Agatha arrive, asking what she was yelling for. Donna tells the Doctor that she encountered a giant wasp, piquing the Doctor's curiosity. Agatha dismisses the idea, thinking she was scared away by a normal, tiny insect. Donna defends herself with her usual gusto: "When I say 'giant', I don't mean 'big'; I mean flippin' enormous!", pointing to the giant stinger still embedded in the door.

The Doctor opens the door to find that the wasp has "buzzed off". Agatha tries to touch the stinger, but the Doctor tells her not to do so. He takes out a vial and pencil to collect a sample. He tells them that there are plenty of alien insects, but none should be in this galactic vector. Agatha understands some of the Doctor's words, but now thinks he's insane. Donna asks the Doctor if the wasp was harmless without its stinger is gone. The Doctor tells her that because of its size, the wasp will be able to grow a new one. Agatha then tells him that there is no such thing as giant wasps. The Doctor tells her that she is right, but points out the question is why it's here.

Davenport wonders who murdered the professor.

In the kitchen, Davenport is speculating about the murder with another of the servants while cooking dinner, wondering who would want to kill Professor Peach. The other servant, Mrs Hart, speculates that it's what happens when a party is thrown by the rich and famous. Miss Chandrakala, who is there, dismisses the idea, telling them to get back to work. However, she then has an epiphany, realising exactly what Professor Peach had discovered in the library when he was murdered.

Miss Chandrakala tells them that she must speak to Lady Eddison and rushes outside to find her. However, a figure watches from above and knocks over a stone gargoyle from the ledge. It lands on Miss Chandrakala with a loud thud.

The second murder.

Hearing the thud and Miss Chandrakala's cry, the Doctor, Agatha, and Donna rush outside to find her slipping away. As she dies, Miss Chandrkala leaves them with a cryptic message: "The poor little child..." Seeing the wasp hovering above the building, the Doctor, Donna and Agatha give chase.

Donna notes how the roles are reversed this time as they're chasing the monster now. Agatha is still in denial about the wasp being real, thinking it's some kind of illusion done with mirrors. They find it coming in through a skylight. The Doctor tries reasoning with it before they barely dodge an attack. Donna gets the wasp's attention and holds up the magnifying glass to threaten it with another shot of focused sunlight. It flies into the next hall as the Doctor yells for them to hurry, and not let it return to human form. Entering the hallway, the Doctor shouts, "There's nowhere to run. Show yourself!" All of the doors open and every suspect appears, looking confused, leading the Doctor to protest "That's just cheating!".

Everyone gathers in the sitting room, where they pressure Agatha to solve the murders. However, she tells them that she is only a writer; the Doctor is their best chance at solving the case now. She retreats to the garden. Donna follows her to try to restore her confidence. Agatha sadly admits having found her husband with another woman. Donna compares that with her own trouble with men. She also suggests that someday Agatha's books may be turned into talking films, before realising her gaffe. Agatha, however, thinks that her books may fade out of interest over time, and she will be forgotten. She then notices a box nearby that has crushed some flowers. Donna points out that nobody else would have noticed that.

They take the box to the Doctor, who is in the sitting room. The contents are full of a thief's tools, and they suspect that the Unicorn is one of the guests. Greeves arrives and gives them their drinks. Donna asks the Doctor what he found out about the venom from the stinger. Taking out the vial, the Doctor explains that the venom comes from a Vespiform, a race of aliens who have hives in the Silfrax Galaxy. However, the question remains as to why it's on Earth and acting like a character out of one of Agatha's books. Donna then asks Agatha what Miss Marple would do, pointing out the character's M.O. before again realising that she has given yet another idea to Agatha. Donna decides to have Agatha copyright Miss Marple to both of them. The Doctor then calls to Donna with a blank face, saying something is inhibiting his enzymes. He suddenly begins convulsing in pain; someone has poisoned his drink. Agatha smells the drink, deducing from the telltale scent of bitter almonds that the poison is cyanide.

The Doctor succeeds in curing himself.

The Doctor rushes to the kitchen, frantically asking for ginger beer. Upon finding a bottle, he drinks some and then pours the rest on himself. Agatha tells him that as an expert in poisons, she knows that there is no cure for cyanide and that it is fatal. The Doctor points out that he being a Time Lord, can stimulate the inhibited enzymes into reversal, thus curing himself. He next asks for protein and is given walnuts. Then he mimes a need for salt; when Donna tries to give him a bag of salt, he says pure salt is "too salty", so Agatha gives him a bottle of anchovies. Finally, he says he needs a big shock. Promptly, Donna kisses him. The Doctor exhales the poison in a cloud of smoke, saying he should detoxify more often. Agatha is flabbergasted, exclaiming, "Doctor, you are impossible! Who are you?"

Thunder and lightning have arrived by nightfall. As they are all seated in the dining room, the Doctor points out that they are still having dinner even though two people have died. Lady Eddison asks what he would want them to do; being British, they carry on. The Doctor then tells the guests that one of them has failed to poison him. Anyone of them could have put cyanide in his drink. He then mentions it gave him an idea. When Golightly asks what it is, the Doctor responds, "Well, poison.", causing the guests to immediately cease eating. He tells everyone the soup has been laced with pepper. Colonel Hugh finds the extra spice delightful, but the Doctor explains that the active ingredient in pepper is piperine, traditionally used as an insecticide.

At that moment, there is a flash of lightning and a thunderclap. A sudden gust of wind blows open the windows, and the candles go out. The Doctor asks the startled group to listen, and sure enough, the wasp's buzzing becomes audible again. Lady Eddison exclaims, "No...it can't be!" Agatha meanwhile stands up and calls, "Show yourself, demon!" It does, above a painting, and the guests flee the dining room with Greeves pulling Donna to safety. The Doctor, Greeves, Donna and Agatha end up in the same room, just outside the dining room. The Doctor takes a sword from a nearby coat of arms and draws it. Donna half-jokes with Greeves beside her, "Well, we know the butler didn't do it." The Doctor asks in response, "Then who did?"

Robina screams in horror at the sight of another murder.

The Doctor rushes back in with the sword in hand and the others in tow, the lights come back on. The wasp is nowhere to be found. Lady Eddison, who was in her seat the whole time, then notices that her necklace, "the Firestone", is stolen. Davenport then sadly says Roger's name. Robina looks over to Roger and reflexively screams in horror, but Lady Eddison's wails quickly drown her out. The Vespiform has stabbed Roger in the back, and he has slumped forward into the soup. Lady Eddison goes over to her son, crying over his death.

Later, in the sitting room, the lightning and thunder continue outside. Agatha is trying her best to cope with what's happened, with the Doctor at her side. Donna enters, feeling sorry for Davenport; he can't mourn Roger, because of the social mores of the 1920s prohibiting homosexuality. Agatha then asks Donna if she inquired about the Firestone. According to Donna, it's a priceless jewel that Lady Eddison brought back from India 40 years ago. The Doctor then begins wondering why the Vespiform hasn't used its abilities to kill them all already; instead, it's been playing this game.

Christie loses faith in her investigative abilities.

Agatha tells the Doctor to stop as she knows the murderer is as human as them. The Doctor then realises that Agatha is right. He tells her that he's been so caught up in figuring out this giant wasp, that he's forgotten that she's the expert. Agatha again refuses to believe her work is any good, dismissing herself as "just a purveyor of nonsense". The Doctor tells her that the reason her books are so good is because she knows the human mind well. If anyone can solve the case, it is Agatha.

With her confidence restored, Agatha, the Doctor and Donna call the remaining four suspects together in the sitting room. The Doctor introduces Agatha, inviting her to begin. He takes a seat beside Donna. Between the two of them — the Doctor with his head rested on his hand and Donna munching a tray of grapes like one might eat popcorn — they both look ready for something big to unfold.

Agatha starts with Robina and quickly exposes her as an impostor due to her terminology, saying "toilet" instead of the upper-class "loo". They found the thief tool box below her bathroom window. Agatha concludes Robina must have thrown them out when she heard Donna was searching the rooms. She determines that the real Robina never left London and the "Robina" in front of them is the Unicorn! Losing her fake posh accent for an East-End one, the Unicorn reveals herself, confirming Agatha's theory that she came to the house purely to steal the Firestone which she still has. She remarks that she seized her chance to grab it when everything went dark in the dining room. She then tosses the Firestone to the Doctor and Donna queries if she's the murderer but she responds with "Don't be so thick. I might be a thief but..... I ain't no killer" which Agatha confirms as true. She then turns her attention to the Colonel. He curses Agatha for discovering his secret: he does not actually need his wheelchair. He faked a disability in order to keep Lady Eddison at his side, fearing she would fall in love with another man, to which she is quite touched. When he furiously asks Agatha how she figured out the truth, she tells him that she didn't. Much to his embarrassment, she was simply going to say he was innocent.

Agatha picks up the Firestone and says that it has quite the history — and is far more than the Unicorn's prize. She turns to Lady Eddison, who quickly pleads her innocence. Agatha asks Lady Eddison to tell them the story of bringing the jewel back from India, then suffering from malaria and keeping herself confined in her room for six months; all of which happened before she met Colonel Curbishley. Then, ignoring her pleas to stop, Agatha concludes that Lady Eddison actually came back from India pregnant. She concealed it with the aid of Miss Chandrakala, her Indian maid and confidante who would eventually become her housekeeper. The Colonel asks his wife if this is true; she confesses it is, explaining she had no choice but to hide her pregnancy because of the scandal and shame it would bring to the family name. After all, "I'm British...I carry on."; Lady Eddison then drinks some liquor to calm her nerves.

The Doctor then takes control from Agatha momentarily, as they are now in his territory; he states that it was no ordinary pregnancy Lady Eddison experienced. The one thing about the dining room murder that has left him puzzled is her exclaiming "It can't be" at the sound of the Vespiform's buzzing; Lady Eddison tells the Doctor that he would never believe her if she told him. However, Agatha encourages Lady Eddison by explaining that the Doctor has opened her own mind into believing in the many possibilities the universe can hold.

Lady Eddison's flashback.

Lady Eddison explains. In 1885, she was alone one night in Delhi, when she saw a purple shooting star land nearby. The next day, she met a young man named Christopher, with whom she quickly fell in love. Christopher later revealed that he was a Vespiform who took human form to study Earth, but Lady Eddison loved him so much, she didn't care. Soon after, during the great monsoon, the Jamuna River broke its banks and he drowned in the flood. However, he left her both the Firestone (which she always wore afterwards to remind herself of him) and pregnant. Out of shame of the scandal that her out-of-wedlock baby would bring, Lady Eddison sadly had Miss Chandrakala take the child to an orphanage.

Donna then realises that "maiden" on the paper meant "maiden name", which Agatha verifies as the reason Professor Peach was killed. He had found out who the child was and who his parents were, by discovering the birth certificate. Agatha then tells Lady Eddison that Miss Chandrakala had (correctly) feared that Professor Peach had found out the truth. She was coming to warn her. Just as Lady Eddison is about to break down, Agatha says that she is innocent of murder. She turns it back over to the Doctor.

The Doctor points an accusatory finger at a suspect.

He pops up as Agatha sits back down and starts, "Thank you! At this point, when we consider the lies and the secrets that are key to these events..." Firstly, the Doctor points at a confused Donna. However, he simply says that she was right — the vital clue was that everything in this story has been acted out like a murder mystery. He next points at Agatha. Donna wonders if Agatha was involved, as Agatha is taken aback. The Doctor dismisses the idea quickly, saying that she simply wrote those brilliant, clever books. The Doctor then points at Lady Eddison, who is such an admirer of Agatha's works, and asks what she was doing the previous Thursday night. It turns out that Lady Eddison was reading her favourite Agatha Christie book, The Murder of Roger Ackroyd. She asks how it is relevant. The Doctor then remarks that something else happened on Thursday night.

He then looks at Reverend Golightly who stares back, confused. The Doctor says that it was on that night that the two boys broke into Golightly's church which he confirms; reminding the Doctor that he apprehended them. The Doctor is doubtful of this though, pointing out how unlikely it would have been for two strong, young men to have been bested by a man in his forties; or more specifically, forty years old exactly. Lady Eddison stares at Golightly in stunned disbelief. The Doctor asks her how old her child would be now and she confirms he would be forty. The Doctor proclaims, "Lady Eddision, your child has come home." He recalls Golightly's earlier statement that he was taught by the Christian Fathers, meaning that he was raised in an orphanage. The Doctor postulates that on the night of the robbery, Golightly became deeply angry for the first time in his life. The genetic lock keeping him in human form was broken, and his alien biology was awakened. He transformed, frightening the thieves into submission.

The Doctor then takes the Firestone and holds it up, revealing that it is actually a Vespiform telepathic recorder. It is part of Golightly's brain and his very essence. When Golightly transformed for the first time, the Firestone also activated and beamed his full identity directly into his mind. Because Lady Eddison was both wearing the Firestone and reading a book by Agatha at the time, his template for how the world should work was distorted. The Doctor confirms that they have indeed been inside a murder mystery; "One of yours Dame Agatha". She is confused by his use of the word "Dame" and the Doctor realises his mistake.

After all the false starts, Donna wonders if Golightly is definitely the murderer; the Doctor confirms it. Slightly miffed, Golightly says the evening has been entertaining and asks Lady Eddison if she believes what she's heard - but buzzes on saying her name. He does it again when the Doctor asks him to repeat what he just said, before warning the Doctor not to make him angry. Golightly sneers at the others, saying that humans worship tribal "sky gods" while he is so much more. After the upload of information from the Firestone, he wanted to take what was rightfully his: inheriting the Eddison title.

The Vespiform Golightly chases Agatha.

Blinded by rage, Golightly focuses on Agatha Christie, asking why he shouldn't just kill everyone, as a pink light surrounds him. Completely losing his temper, Golightly transforms into his wasp form. A frantic Lady Eddison reaches out as if to hug him, begging for his forgiveness, but is held back by the others as they retreat into a corner. At this Agatha snatches the Firestone, declaring that if her imagination made the creature, then it can also stop it.

As she runs out of the room with Lady Eddison still screaming hysterically, Golightly pursues her and the Firestone, with the Doctor and Donna following them. Agatha takes a car and drives away, yelling for Golightly to chase her, which he does. The Doctor and Donna follow the two of them in the late Professor Peach's car. The Doctor ominously warns that "time is in flux" - history may change, and it may be that tonight could be the night that Agatha Christie loses her life!

Agatha leads the creature to the Silent Pool lake. Stopping, she gets out and calls Golightly to her. As they arrive and hurry to her side, Donna realises that Agatha is controlling Golightly. The Doctor notes that Agatha is linked to his mind because his mind is based on her thought processes; Agatha replies that if she dies, then it might die with her. The Doctor tries to persuade Golightly that he was not meant to be a killer, and has the wrong template in his mind.

Donna seizes the opportunity to snatch the Firestone from Agatha's grasp and hurl it into the water. Golightly shoots over their heads, splashes into the lake and is drowned, as his father had been in the Indian monsoons forty years before. A purplish light emanates from the spot where the Firestone and Golightly sank.

Agatha gives a poetic speech as the purple light fades in the water — "Death comes as the end and justice is served." The Doctor decides to call this adventure "Murder at the Vicar's Rage"; at a look from Donna, he admits that the title needs some work. Agatha tells the Doctor there is just one more mystery left: who is he? However, she then cries out in pain and collapses. As the Doctor catches her, he realises that the two are still linked. If the Vespiform dies, so does Agatha...

History takes its course.

However, Golightly cuts the link right before he dies. Agatha is bathed in the purple light for a few moments before she merely exhales deeply and faints. The Doctor remarks that it let her go... In the end, it chose to save her life. Donna then wonders what will happen now as the Doctor finally figures out how Agatha lost her memory. It was caused by the psychic trauma of the link between her and Golightly being severed so violently. Donna is sad that this means she'll forget meeting them. The Doctor says that they've solved their mystery and can now let — or help — history take its course. Keeping with the established timeline, the Doctor leaves Agatha's car by the lakeside, takes Agatha in the TARDIS and drops her off at the Harrogate Hotel ten days later.

As they watch a confused Agatha wander over to the hotel, Donna wonders about Lady Eddison, the Colonel and the servants, asking if they would tell anyone about what happened. The Doctor reminds her that they are far too "British" to tell such a shameful story and that the Unicorn would have escaped back to London. Donna then wonders what will become of Agatha; the Doctor explains that she will get married again, see the world and keep writing. Donna sadly tells the Doctor that Agatha never thought her work was any good as they board the TARDIS.

The Doctor shows Donna Agatha will be remembered.

In the TARDIS, the Doctor tells Donna that he thinks Agatha never quite forgot what happened as he pulls open a hatch below the TARDIS floor. He pulls out a chest, where he stores souvenirs under the letter "C". Amongst the various knick-knacks he tosses out of it (including the globe imprisoning the Carrionites and the chest emblem from a Cyberman), the Doctor produces Death in the Clouds, an Agatha Christie novel which features a gigantic wasp on the cover. Donna is shocked. The Doctor points out that as she had such a great mind that some of the details bled through — stuff her imagination could use, such as the character of Miss Marple and the basic plot for Murder on the Orient Express. However, the Doctor then has Donna look at the copyright page in front, which shows that the book is a reprint from the year five billion. Agatha Christie is quite literally the most popular writer of all time.

Donna then reminds the Doctor that Agatha never thought her work was good, but the Doctor responds, "Well, no one knows how they're going to be remembered. All we can do is hope for the best. Maybe that's what kept her writing. Same thing keeps me travelling. Onwards?" He asks Donna with a smile. "Onwards," she says, returning the smile. He pulls a lever on the console and they set off.

Cast[[edit] | [edit source]]

Uncredited Cast[[edit] | [edit source]]

Crew[[edit] | [edit source]]

General production staff

Script department

Camera and lighting department

Art department

Costume department

Make-up and prosthetics

Movement

Casting

General post-production staff

Special and visual effects

Sound



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.


Worldbuilding[[edit] | [edit source]]

Locations[[edit] | [edit source]]

Species[[edit] | [edit source]]

  • The Doctor's Gallifreyan physiology can expel poisonous substances from his system with the catalyst being a shock as a stimulus.
  • The Doctor brings out the Carrionite sphere where the witches' screams of captivity can be heard emanating from it and the metal plate of a Cyberman's armour with the Cybus Industries logo stamped on it from a chest of things beginning with C.

Individuals[[edit] | [edit source]]

The kissing tradition continues

Technology[[edit] | [edit source]]

The Doctor in a flashback sequence.
  • Agatha is surprised at the existence of talking pictures when Donna suggests that her books will be made into such films.

Foods and beverages[[edit] | [edit source]]

  • Donna orders a sidecar and the Doctor orders a lime soda at the garden party.
  • Donna and Agatha Christie drink orange juice and Golightly tries to poison the Doctor by slipping cyanide into his lemonade.
  • The Doctor consumes ginger beer, walnuts and anchovies to cure himself of the cyanide poisoning.
  • Donna mentions or proposes milk and milkshake among the wrong ingredients to cure the Doctor's poisoning.
  • The Doctor laces the soup with pepper in an attempt to draw out the wasp creature because the piperine in pepper is a traditional insecticide.
  • While trying to work out what the Doctor is miming for when he's been poisoned, Donna wonders if he wants a Harvey Wallbanger cocktail because she thinks he's attempting to mime a shaken drink (he's miming a salt-shaker).

Cultural references[[edit] | [edit source]]

  • When trying to understand what the Doctor needs to overcome his poisoning, Donna mentions the songs "Mammy" and "Camptown Races" as well as Towering Inferno.
  • Whilst Donna is in a state of excitement talking to the Doctor while they search the library she mentions the children's character 'Noddy'.
  • Russell T Davies and Gareth Roberts had a competition to see who could insert the most Agatha Christie references into the script:
    • Donna mentions Miss Marple and the story of the Murder on the Orient Express before Agatha Christie has written about them, and may therefore have inadvertently caused the creation of them.
    • When the Doctor is poisoned, Agatha is heard to utter the words "sparkling cyanide", which was the title of one of her future novels.
    • The Colonel faking his inability to walk and the Unicorn posing as Robina Redmond are ideas that appeared in the Christie novel After the Funeral.
    • The Man in the Brown Suit: The Doctor wears a brown suit throughout the course of the episode; in the original teaser sequence the elderly Agatha wonders who "the man in the brown suit" was that had haunted her for fifty years.
    • Dead Man's Folly: Miss Chandrakala's description of the Professor's book (as in "a dead man's folly"; not the actual name of the book).
    • The Body in the Library: Donna's remark about Professor Peach's death.
    • Cat Among the Pigeons: A servant's remark about the murder.
    • Nemesis: One of Agatha's nicknames for the murderer; also used for the episode title of the Doctor Who Confidential episode looking at The Unicorn and the Wasp.
    • The Secret Adversary: Another of Agatha's nicknames for the murderer.
    • N or M?: The Doctor's question to Agatha about the piece of paper she found.
    • Why Didn't They Ask Evans?: The Professor's remark before he dies is "Why didn't they ask... heavens!" (the book's title refers to the murder victim's last words).
    • They Do It With Mirrors: Agatha's explanation about the giant wasp, believing it to be a hoax.
    • Appointment with Death: Lady Eddison says Chandrakala had "an appointment with death" when mourning over her son's death.
    • Cards on the Table: The phrase the Colonel uses when he asks Agatha about what she knows about the mystery.
    • Yellow Iris (a short story included in The Regatta Mystery and Other Stories): at the dinner where the Doctor spikes the soup with pepper to smoke out the Vespiform, there is a vase of yellow iris as a table centrepiece. It was later expanded to novel length as Sparkling Cyanide.
    • Crooked House: How Agatha describes the history of the four remaining suspects - and consequently, Eddison Manor.
    • Endless Night: How the Doctor describes the evening of the events at the start of the debriefing.
    • Taken at the Flood: Lady Eddison says Christopher "was taken with the flood".
    • The Moving Finger: The Doctor points at Donna, Agatha and then Lady Eddison at the start of his portion of the debriefing and says, "The moving finger points at you..." when he turns to Lady Eddison, even going so far as moving his finger in a circular motion.
    • The Murder of Roger Ackroyd: Lady Eddison is reading the book when the Firestone activated. Moreover, Lady Eddison's son is named Roger.
    • Death Comes as the End: Agatha says "Death comes as the end and justice is served" after Golightly's death.
    • The Murder at the Vicarage: The Doctor calls the events "Murder at the Vicar's Rage" after Golightly's death, though after Donna recognises his verbal mangling, he admits it could do with some work.
    • Death in the Clouds: In the TARDIS, the Doctor shows Donna a facsimile copy of this book published in the year 5 billion, with the Fontana edition cover showing a giant wasp attacking a plane. In the original final scene when the Doctor shows the elderly Agatha Christie the facsimile edition, she says that the cover with the giant wasp gave her a shock when she first saw it. In the book, the murder victim is originally thought to have died from a wasp sting.
    • Ten Little N*ggers (also known as Ten Little Indians or And Then There Were None): The main enemy is a bee-like creature, and the Doctor is poisoned with cyanide. One of the murders in the novel involves a bee and a cyanide injection.
  • Some of the characters resemble Cluedo characters.
  • Other references to Cluedo include the lead pipe and revolver as murder weapons, as well as the first murder committed in the library. The five original murder weapons from Cluedo make an appearance in this episode: lead pipe, revolver (seen when the Unicorn is "preparing" for the party), knife (used to kill Roger Curbishley at dinner), candlestick (used to light the dining table) and length of rope (curtain cord). Poison, a later addition, is used in an attempt to kill the Doctor at one point.

Story notes[[edit] | [edit source]]

  • In terms of principal photography, this is the second story shot in the fourth series.
  • A different opening and conclusion to the episode were filmed. The two scenes take place in the mid-1970s and feature Daphne Oxenford playing the aged Christie, who begins the episode by having flashbacks and dreams relating to her adventure of some 50 years earlier. The ending of the episode featured the Doctor and Donna visiting Christie, upon which she begins to remember what happened and is shown a copy of the facsimile edition of Death in the Clouds from the year 5 billion. When it was decided to abandon the framing sequence, this second scene was remounted in the TARDIS. Both scenes were presented to the public for the first time in the 2008 DVD box set of Series 4.
  • This episode does make a few deviations from the actual events concerning Agatha Christie's disappearance. It depicts her car as being found beside a lake and then her arriving at the hotel in Harrogate (which the sign depicts as being called 'The Harrogate Hotel') ten days later. In reality, her car was found parked beside a quarry and it was eleven days later that she was spotted in 'The Hydropathic Hotel' (which is now called The Old Swan), having been recognised by a musician who saw her dancing in the ballroom.
  • David Tennant's father Sandy McDonald makes a cameo as a footman. The Doctor Who Confidential Nemesis showed that he was visiting David on set and was offered a part on the spot — and he confessed he was glad he didn't have to learn lines.
The magnified face: a Graeme Harper signature
  • Graeme Harper's penchant for including a distorted image of a main character is present in this story. Though not included in every single story he's directed for BBC Wales, it's seen often enough to be considered something of a directorial "signature". Similar distortion is achieved through the use of other magnifying glasses in Army of Ghosts and Utopia, a curved window in Journey's End, and with mirrors in Turn Left. This "signature" has appeared as early as The Caves of Androzani, in which the shot of the Fifth Doctor's face is electronically distorted as he starts to regenerate. This time, it's Donna's face that gets "the Harper treatment".
The Doctor's detox method probably won't work for humans
  • The Agatha Christie book the Doctor produces from the trunk underneath the TARDIS is a Fontana Paperback fascimile edition, published in 1957. Presumably, the Year 5,000,000,000 copyright page was somehow transplanted in.
  • The Doctor's description of his cyanide poisoning as involving "inhibited enzymes" approximates the actual mechanism of cyanide toxicity. Cyanide inhibits the enzyme aa3 by binding to the iron that it contains, reducing the ability of the cell use oxygen to create the compound ATP, used for cellular energy transfer. Since 95% percent of ATP production in the human body and presumably also Time Lords, is aerobic, mortality via energy starvation quickly follows. The Doctor's method of uninhibiting the enzymes, however, is not based on a real remedy (for humans, in any case).
  • The disappearance of bees is frequently mentioned during Series 4. Its significance is eventually revealed in The Stolen Earth. In the real world, both bumble bees and honey bees are disappearing from the globe, a major concern.
  • In The Writer's Tale, Russell T Davies talked about how the ending was a rewritten one — originally, the Doctor was to have rammed the Vespiform into the lake with the car that he and Donna had commandeered, but David Tennant objected because he was concerned that the ending would portray the Doctor as a murderer.
  • In The Writer's Tale, Davies also reveals that during his rewriting of the script he entertained himself by inserting as many references to Christie novels as possible. He originally inserted a reference to Ten Little N*ggers (also known as Ten Little Indians and And Then There Were None) before deciding it was "too risky" to keep in:
    • Donna: It's like "Ten Little" -
    • The Doctor: Niggles aside, we'd better look in the library.
  • Doctor Who Confidential Nemesis shows that at least one of the classic cars that was used during filming was a Morris Cowley, which Christie was actually driving in 1926.
  • There have been multiple implicit references throughout the history of the programme to interspecies intercourse/offspring. The Doctor previously implied to Rose that the willingness to mate with other species would become a significant factor in humans expanding out into the universe. (TV: The Doctor Dances) A few such examples include: King Peladon, who was half Pel and half human; human/Catkind offspring encountered on New Earth; and Cassandra referring to herself as the only "true human" left by her time period.
  • With this episode, Donna joined the list of companions to kiss the Doctor (or be kissed by him) on the lips. By this time, on-screen kisses included: Dr Grace Holloway, shortly after his seventh regeneration; Jack Harkness, who kissed the Doctor (and Rose) farewell whilst on the Gamestation; the Doctor kissing Rose Tyler later in the same episode; Cassandra kissing the Doctor while possessing Rose Tyler's body; Jackie Tyler kissing the Doctor three times when he and Rose returned home in the middle of the ghost crisis; the Doctor kissing Martha Jones to confuse the Judoon's scanners; and Astrid Peth kissing the Doctor twice whilst on the Titanic. Unlike the other kisses, however, Donna's kiss is not a romantic gesture, but intended to induce a shock in him as part of his antidote to cyanide poisoning (she has always insisted she is not interested in him, unlike Rose and Martha).
  • Unlike in The Lazarus Experiment, there was no indication in the end credits that Doctor Who would return in 2 weeks.
  • The anchovies that the Doctor pours down his throat in the kitchen were really mushrooms.
  • The casting of Fenella Woolgar as Agatha Christie was made at the suggestion of David Tennant. They had previously worked together in Bright Young Things and He Knew He Was Right.
  • Fenella Woolgar had previously appeared in an episode of Agatha Christie's Poirot, "Lord Edgware Dies" as Elis, and has since appeared in "Hallowe'en Party" as Elizabeth Whittaker. David Quilter has also made an appearance, "The Million Dollar Bond Robbery".
  • Initially, Russell T Davies and Gareth Roberts envisioned setting the story in the mid-Sixties, depicting an elderly Agatha Christie who could be portrayed in the manner of Miss Marple. However, they soon came to realise that a relatively modern setting would not convey the desired flavour of a classic Christie novel.
  • The role of Lady Eddison was offered to Helen Mirren.
  • In writing the episode, Gareth Roberts aimed to make the episode a "big, fun, all-star murder mystery romp". He was influenced by advice given by Russell T Davies, who wanted Roberts to "go funnier" with every draft, and Douglas Adams' advice that "a danger one runs is that the moment you have anything in the script that's clearly meant to be funny in some way, everybody thinks 'oh well we can do silly voices and silly walks and so on', and I think that's exactly the wrong way to do it". Using this advice, he used the adage that in comedy, the characters do not realise the humour, and cited Basil Fawlty's mishaps in Fawlty Towers as an example.
  • In an interview with Doctor Who Magazine, Gareth Roberts stated that "to a certain extent [there was less pressure]" in writing the episode. He was pleased with the success of The Shakespeare Code and Whatever Happened to Sarah Jane?, but likened himself to Corporal Bell, in saying that he did not wish to be "in the middle of things" or writing episodes "where big, pivotal things have happened to [the Doctor]".
  • It was Phil Collinson's idea to have the Doctor meet Agatha Christie. Russell T Davies wanted to have the Doctor meet a famous author to repeat the success of The Unquiet Dead.
  • Whereas previous “celebrity historicals” had aired early in the year, he positioned this as the seventh episode of the season, where it could provide a mid-year ratings boost.
  • In real life, Agatha Christie went missing in the winter, but Gareth Roberts set the story in the summer because Planet of the Ood already had a wintry setting.
  • For a time, Gareth Roberts attempted to arrange his storyline so that suspicion for the murders could even be cast upon Christie herself, but he ultimately found this angle to be unworkable.
  • As with the previous “celebrity historicals”, it was decided that the episode should feature some kind of monster, but Russell T Davies worried that no suitable creature could be derived from Christie's works. Gareth Roberts, however, had a childhood memory of coming across a cover illustration for a reprint of Death in the Clouds. Painted by Tom Adams and in use from about 1969, it depicted a biplane being menaced by what, in perspective, appeared to be a giant wasp. Roberts developed this notion into the Vespiform.
  • Agatha Christie's grandson, Mathew Prichard, was involved in the production, representing Christie's estate, attended the episode's readthrough and gave his enthusiastic approval to her portrayal.
  • The episode formed Block Two of season four, along with Planet of the Ood. This was the first episode Catherine Tate filmed as a series regular.
  • The only set built for the episode was the locked room.

Ratings[[edit] | [edit source]]

  • 8.41 million (UK final)[2]

Myths and rumours[[edit] | [edit source]]

  • Due to Billie Piper being seen on set it was thought that the "Unicorn" was in fact Rose Tyler. This was false.
  • Brief glimpses of the giant wasp in this episode were included in the first Series 4 trailer, leading to speculation (since the view is too short to definitively identify the species) that this was a reference to the ongoing theme of bees. This was also false.
  • Lady Cassandra would appear. This stemmed from the brief glimpse in the trailer of Clemency Eddison. Felicity Kendal, who plays her, bears a similarity to Cassandra's actress, Zoë Wanamaker, leading to the confusion. This was also false.
  • At the beginning of the episode, the phonograph plays a march and the first notes are reminiscent of the Master's theme. This was true.

Filming locations[[edit] | [edit source]]

Studio[[edit] | [edit source]]

  • Upper Boat Studios, Trefforest

Location[[edit] | [edit source]]

  • Llansannor Court, Vale Of Glamorgan
  • Tredegar House, Newport
  • Pen Y Lan Road, Newport
  • Cefn Mably Lakes, Cefn Mably
  • Hensol Castle, Hensol

Production errors[[edit] | [edit source]]

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.
  • At two points during the final scenes, actors mistakenly lapse into their natural accents. When Agatha says she was about to say Col. Curbishley was innocent, Fenella Woolgar lapses into her regular Estuary English accent, while when the Doctor tells Golightly at the lakeside, "Don't hurt her!", David Tennant lapses into his natural Scottish accent.
  • At one point in the confrontation scene, Agatha was looking at the Doctor without holding her glass of drink. The scene then cuts to a wider shot showing her putting her drink down on the table before looking up again.
  • As the Doctor is moving his pointing finger between Agatha and Lady Eddison, the position of his hand changes between shots.
  • During the confrontation scene, the Doctor comments on how the church robbery happened on Thursday night. Yet during the flashback scene showing the robbery, it is daylight outside.

Continuity[[edit] | [edit source]]

Home video releases[[edit] | [edit source]]

  • The Complete David Tennant Years DVD Region 1 US cover

    The Complete David Tennant Years DVD
    Region 1 US cover

  • Series 4 Volume 2 DVD Cover

    Series 4 Volume 2 DVD Cover

  • Doctor Who: The Complete Fourth Series DVD cover

    Doctor Who: The Complete Fourth Series DVD cover

  • Doctor Who: The Complete Series One to Four DVD box-set

    Doctor Who: The Complete Series One to Four DVD box-set

  • Doctor Who: The Complete Series One to Seven DVD box-set

    Doctor Who: The Complete Series One to Seven DVD box-set

External links[[edit] | [edit source]]

Footnotes[[edit] | [edit source]]

  1. ↑ BoardGameGeek - Clue VCR Mystery Game (1985) accessed 17th February 2010
  2. ↑ Doctor Who - consolidated ratings
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