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Sherlock Can Read

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Sometimes, Watson gasps in shock that Holmes instantly deduced some secret. But Holmes didn't correlate a thousand minutia to get his answer — he just read it on something.

One particularly common variant is having one character call another they don't know by name, then point out it was written on their person.

Compare to "How Did You Know?" "I Didn't." and You Just Told Me, but in both cases, Holmes is guessing; here, he knows for a fact. See Clue, Evidence, and a Smoking Gun.



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    Comic Books 
  • In Baker Street #1, Susan arrives at Baker Street to apply for the flatmate position. Sharon Ford (the settings' equivalent of Sherlock Holmes) does a Sherlock Scan on her and deduces a number of things about her (she is a medical student, the university she is attending, etc.), including that she is American. Susan is astounded and asks Sharon if she deduced she was American from the clues she just listed. Sharon replies "yes", but adds that the accent was something of a giveaway as well.
  • From the pages of Doctor Strange: During the Loki: Sorcerer Supreme arc, Stephen recruits The Sentry to help stop whatever evil Stephen just knows Loki is plotting. They go to Wong's house, and he berates Strange for his dumb plan the moment he opens the door. Sentry is in awe at how in tune the two are that Wong was able to know about what Stephen was planning without him telling him, assuming there's some kind of Psychic Link at work. Stephen cuts him off with "I texted him".
  • The Wicked + The Divine: After passing out at a concert, Laura meets god Luci backstage. After seeing her do a Finger Snap Lighter trick and address her by name, Laura asks if Luci used powers to guess her name.
    Luci: Yes, with mystical going-through-your-wallet powers.

    Films — Animation 
  • Done rather hilariously in Batman: Assault on Arkham when Amanda Waller manages to swiftly and easily answer The Riddler's quip about doors:
    The Riddler: ... Oh. You've heard that one before?
    Amanda Waller: No! I have Google! Just like the rest of the world!
  • Played with in The Princess and the Frog, where Dr. Facilier "deduces" Naveen's identity from a palm-reading, while Lawrence looks in the bad doctor's back pocket and cynically notes the newspaper there. Given that Facilier really does consort with supernatural forces, it's ambiguous whether this trope was played straight or not.

    Films — Live-Action 
  • Firestorm (1998): After being rescued by Jesse, Jennifer pauses to check the bird eggs she was protecting. Jesse looks over her shoulder at the eggs, and then reels off the scientific name of the species. Jennifer is impressed by his ornithological knowledge. Until Jesse holds up the lid of the tin, which she had put to one side when she opened the tin, which has the species name written on it.
  • Harry Potter and the Prisoner of Azkaban: Hermione may be a know-it-all, but even her knowledge has its limits, as demonstrated when the trio stumbles across an adult sleeping on the Hogwarts Express.
    Ron: Who do you think that is?
    Hermione: Professor R. J. Lupin.
    Ron: Do you know everything? [to Harry] How is it she knows everything?
    Hermione: [annoyed] It's on his suitcase, Ronald.
    Ron: Oh.
  • Leave Her to Heaven: Ellen tells Richard that she knows about him after reading his novel because every book is a "confession." She then rattles off a bunch of facts about his life, to which he bewilderingly responds, "Shades of Sherlock." But then she admits she just got all that from the bio on the book's dust jacket.
  • Night at the Museum: Sacajawea is asked to track down the thief of Akmenrah's tablet from the tracks in the snow. She immediately deduces that he tried driving away, but his car slipped on the ice and crashed. Greg is amazed at her tracking skill, until she points at the crashed car just a few yards away.
  • Now You See Me: Merritt's shtick is mentalism, which includes reading people's minds via their body language; he uses this on Henley at their first meeting to guess her name, but Danny points out that it's on her coffee cup. This also sets up Merritt and Danny's mild rivalry.
  • The Return of Sherlock Holmes: When Holmes buys the last Napoleon bust off Mr. Sandeford, Sandeford asks him how he deduced that he possessed the bust and his address. Holmes replies that after the sculptor provided the names of the purchasers, he glanced at the sculptor's records and copied Sandeford's address down.

  • In Feet of Clay, Cheery told Vimes that he smokes Pantweed's Slim Panatellas - not through alchemical expertise, but by reading the packet on Vimes' desk.
  • From Harry Potter and the Prisoner of Azkaban, when the main characters find an adult sleeping on the Hogwarts Express:
    "Who d'you reckon he is?" Ron hissed as they sat down and slid the door shut, taking the seats farthest away from the window.
    "Professor R. J. Lupin, " whispered Hermione at once.
    "How'd you know that?"
    "It's on his case," she replied, pointing at the luggage rack over the man's head.
  • In "The Adventure of the Yellow Face", Sherlock Holmes stuns the client of the day by giving his name before he'd introduced himself.
    Holmes: My dear Mr. Grant Munro—
    Munro: What! You know my name?
    Holmes: If you wish to preserve your incognito, I would suggest that you cease to write your name upon the lining of your hat, or else that you turn the crown towards the person you are addressing.
    • He gets called out on this in "The Adventure of the Naval Treaty," when he once again identifies a complete stranger by name. At first the man is startled, but then he realizes that Holmes has simply read the monogram on his pocket watch. "For a moment I thought you'd done something clever."
  • After Harry Dresden and Michael Carpenter make a Dynamic Entry in Small Favor, Dresden addresses a woman named Monica. She asks if they're angels (as it happens, Michael is a Church Militant with a holy sword), but he just points to her name tag.
  • The Thinking Machine: In "My First Experience with the Great Logician", Van Dusen performs a Sherlock Scan and is able to deduce his patient's name, address and profession; that he smokes; that he is wearing his clothes for the first time that winter; that he was widowed a few months earlier; that he kept house then; and that the house was infected with insects. After the narrator professes his astonishment, Van Dusen explains that the name, address, and occupation he got from the man's business card, which he read while he was unconscious. The other facts were actual deductions, however.

    Live-Action TV 
  • Buffy the Vampire Slayer:
    • Played With: Drusilla discusses a vision that she's had, and while she probably did get the information with her powers, Spike reveals that he has a more cogent source for the same information:
      Angelus: You can see all that in your head?
      Spike: No, you ninny. She read it in the morning paper.
    • In a somewhat similar example: in the final episode, Angel is able to guess that Buffy and Spike have grown closer because he can smell him on her. Later, Spike says that he knows that she and Angel kissed; she assumes it's from the scent, but he sarcastically replies that no, he saw them with his vampire eyeballs.
  • CSI: Miami:
    • In "Dude, Where’s My Groom?", Ryan and Walter discover a stolen painting hidden underneath a valueless one. Walter, who studied art history, is trying to identify it from style and colour choice. He says that it could be a Cézanne, or someone from the Fauvism movement:
    Ryan: It's a Matisse.
    Walter: You studied the French masters too?
    Ryan: No, it's signed.
    • In "By the Book", the crew is examining a bizarre crime scene. Dr. Tom Loman is examining the corpse when Ryan tells him that they don't have an ID yet. Tom casually says that she is Andrea Edison. Ryan looks amazed and asks Tom how he knows. Tom calmly replied that he found her ferry pass in her pocket and hands it over to Ryan.
  • Dead Man's Gun: In "The Bounty Hunter", would-be Bounty Hunter Raymond Jakes goes to Retired Gunfighter Otis for lessons. During their conversation, this exchange happens:
    Otis: You're a storekeeper, right?
    Jakes: *gasps* How did you know?
    Otis: *nods over Jakes' shoulder* The signage on your wagon.
  • Elementary's pilot episode has Sherlock Holmes explain how he uses the Sherlock Scan and deduction to learn things, having previously demonstrated it by determining various aspects of Joan Watson's background. Then she asks how he knew her father had had an affair.
    Sherlock: Google. [beat] Well, not everything is deducible.
  • On NewsRadio, Bill and Dave are in an airport returning from a convention. When an attendant greets Bill by name, Bill is flattered that his fame precedes him. Then Dave points out that Bill is still wearing his nametag.

    Web Comics 
  • Girl Genius: How Baron Wulfenbach divined the creator of a slaver engine. One of his underlings is impressed that he can apparently recognize the creator of the device from its design style, but he admits that in this case it was easier than that — "the fool signed it!"

    Western Animation 
  • Done twice in the Toby Danger episode of Freakazoid!. First, after Dr. Sin activates the world's largest semiconductor, The Danger family finds the wreckage and Dr Danger predicts that Dr. Sin will use the semiconductor to attack Las Vegas. When Dash asks how he knows Dr. Danger calls it a "scientific, scholarly guess", as the camera pans back to show Las Vegas under attack at that very moment but only the doctor can see it. The second time, Dr Danger is setting up a weapon to destroy the semiconductor in front of a hotel when he predicts that this hotel is the next target. When Dash ask how he can possibly know that, Dr. Danger casually says that every other place in town is burned to the ground.
  • On Gravity Falls, the (mostly) Phony Psychic Gideon does this:
    Gideon: I'll read your mind if I'm able/Something tells me your name's "Mabel"!
    Mabel: [mystified] How'd he do that?
    [camera pulls back to show that "MABEL" is written on her sweater]
  • The Simpsons: In "Lisa's Wedding", a fortune teller momentarily impresses Lisa by knowing her name.
    Fortune Teller: I've been waiting for you... Lisa.
    Lisa: [Gasp!] How did you know my name?
    Fortune Teller: Your name tag.
  • Teenage Mutant Ninja Turtles: Splinter reveals to the Turtles that the Technodrome has returned and is smashing everything in its path. They're shocked how he knows this. Was it a mystic revelation? He tells them, no, he saw it on the 5:00 news.

Video Example(s):


Deduction 101

Agent 86 demonstrates how you figure out the origin of a package.

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Main / SherlockCanRead

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Main / SherlockCanRead