The story is set in London and follows Katrielle as she solves mysteries with her talking dog Sherl.
The worst episode of "Layton Mystery Detective Agency: Kat's Mystery‑Solving Files" is "Katrielle and the Resurrected Corpses", rated N/A/10 from 0 user votes. It was directed by N/A and written by N/A. "Katrielle and the Resurrected Corpses" aired on 4/22/2018 and is rated NaN point(s) lower than the second lowest rated, "Katrielle and the Phantom Thief of the Century".
A young woman named Liv seeks Katrielle's help after she is visited by her late husband, Andy, apparently returned to life as a zombie.
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Inspector Hastings enlists the Agency's assistance in tracking down a serial jewel thief before the criminal can enact their most daring heist yet.
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The team becomes involved in a new case when a young man approaches the Agency in the hope of discovering a way to resume an implausible lucky streak.
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Katrielle stumbles upon a fresh mystery when a classmate of Ernest relates the story of a mysterious bus journey that seemingly transported them back to the time of their childhood.
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The Agency is visited by a young boy named Leo who fears that the mysterious hero of London's streets, Ratman, has been kidnapped.
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The team are summoned by Inspector Hastings to the site of a seemingly impossible burglary: one hundred million pounds have vanished from a high-tech bank vault.
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Katrielle is called to the estate of a millionaire gourmet with an unusual request: her pet has gone missing, and she wants it found before her dinner party commences.
Director: Tetsuaki Watanabe
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Rosa, an old acquaintance of Katrielle's father, visits the Agency with information relating to the Professor's disappearance eleven years ago.
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The Agency attend the premier of a much-anticipated film, only to discover mid-scene that the moment of the climactic kiss has disappeared from the reel.
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Relaxing on a public holiday, the Agency team become embroiled in a highly unusual case when a desperate Inspector Hastings pleads their aid in finding a last-minute gift for his wife's birthday.
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Katrielle takes on a new case involving a young pianist who is being plagued by appearances of a doppelgänger.
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Katrielle and the team are left puzzled when Hastings requests their help on a case where the culprit has already been uncovered.
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The Agency receives a new mystery to solve when a young farmer details the unexplained appearance of strange patterns in their wheat fields.
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Katrielle investigates a young girl on behalf of her concerned mother, who believes her daughter is able to predict the future.
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Hastings turns to the Agency trio when London is menaced by a mysterious growling giant lurking in the fog.
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Travelling on board the Molentary Express for a special solar eclipse tour, the team find their attention divided when clients old and new describe a sequence of strange events.
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The team are summoned by a young heiress whose estate is seemingly being haunted by a host of ethereal apparitions.
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Rosa returns to continue her story, and reveals the link between Katrielle's origins and the Professor's disappearance.
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In search of sweets of legendary reputation, Katrielle is hooked when she is told that she will have to prove her connoisseur qualifications by locating the nearby store herself.
Director: Tetsuaki Watanabe
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Katrielle is invited to the unveiling of Agency acquaintance and child genius Bengary's latest invention: Sketman John, a robotic renaissance-manservant.
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One of London's famous "seven millionaires" requests the team's investigative attentions after discovering a love letter written by his much-adored daughter, Allie.
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Hastings employs the Agency's efforts in the search for a hand belonging to Big Ben, in the hope of recovering it before the arrival of a foreign ambassador.
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Katrielle joins an investigation at London's Riverside Festival into a tragic incident that took place on the banks of the River Thames, mirroring a local legend.
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Ernest recounts the time he was accused of stealing valuable research papers on his first day at Gressenheller University, and his resultant first encounter with Katrielle.
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The Agency team are forced to go on the run from the law after Katrielle finds herself the prime suspect in a murder investigation.
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