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Anime series

Layton Mystery Detective Agency: Kat's Mystery‑Solving Files

Latest episode

S1 E50 · Professor Layton and the Relics Treasure: Final Episode

About Layton Mystery Detective Agency: Kat's Mystery‑Solving Files

Layton Mystery Detective Agency: Kat's Mystery‑Solving Files is a kids and mystery anime series that premiered on Fuji TV on April 8, 2018. It has 1 season and 50 episodes so far and has ended. The latest episode, Season 1 Episode 50 "Professor Layton and the Relics Treasure: Final Episode", aired on March 31, 2019.

The story is set in London and follows Katrielle as she solves mysteries with her talking dog Sherl.

  • Kids
  • Mystery
  • Comedy
  • Animation

Last updated

Episodes

50 episodes · 1 season

Season 1

2018 · 50 episodes · Last episode: 7 years ago

Layton Mystery Detective Agency: Kat's Mystery‑Solving Files Season 1 release dates →
  1. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E50 still E50

    50. Professor Layton and the Relics Treasure: Final Episode

    Finale

    The two parties united at last, their long journey comes to a climactic conclusion in a fateful showdown at the Greenwich Observatory with the man behind the entire conspiracy.

  2. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E49 still E49

    49. Professor Layton and the Relics Treasure: Episode 5

    In the wake of having located Luke and the Professor, Katrielle's investigatory instincts refuse to let her rest, compelling the team to follow the trail of the mysterious "Aldebaran" to his palatial home in search of answers.

  3. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E48 still E48

    48. The Millionaire Ariadne's Conspiracy (2)

    With the realisation that the Seven are hiding a secret, Katrielle's investigation takes an unexpected turn, and as she pieces together the mystery, the true identity of their host is revealed.

  4. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E47 still E47

    47. The Millionaire Ariadne's Conspiracy (1)

    Receiving an invitation addressed to her father requesting attendance of a puzzle-solving event hosted by the mysterious Ariadne, Katrielle and company find themselves reunited with all seven of the renowned London millionaires at the deserted mansion of a deceased magnate.

  5. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E46 still E46

    46. Katrielle and the Hundred Faces of Mona Lisa

    The Agency trio's trip to the Marylebone Museum of Art to see the famous Mona Lisa takes a strange turn when Katrielle is informed that the museum's entire collection has been surreptitiously replaced with an array of Lisa-centric works.

  6. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E45 still E45

    45. Katrielle and the Ghost Club

    Supernatural superfan Andrea, youngest of the seven millionaires, invites Katrielle and a selection of her acquaintances to compete in a game of "Ghost Escape".

  7. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E44 still E44

    44. Katrielle and the Superman Chef

    After an incident involving a misunderstood "all-you-can-eat" restaurant opening and Katrielle's insatiable appetite, the eager investigator accepts the offer of a cook-off challenge to settle her debt.

  8. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E43 still E43

    43. Katrielle and Horror Castle VR

    The Agency trio are recruited by an old client with the goal of completing a challenging "virtual reality game".

  9. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E42 still E42

    42. Great Detective Sherl O.C. Kholmes

    Tired of being treated like the Agency dogsbody, Sherl jumps at the chance to conduct his own investigation into the reported death of a beloved member of the neighborhood pack.

  10. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E41 still E41

    41. Katrielle and the Strange Spirit Photo

    In the wake of discovering a recurring phantom figure appearing in his images, London Times photographer Pete contacts the Agency, fearing that he has fallen victim to a curse.

  11. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E40 still E40

    40. Geraldine Royer and the Final Customer

    Spurred by a horoscope warning that the only recourse to having "the worst day of the decade" might be to spend it with a friend, Katrielle decides to spend the day with Emiliana at a local café, unaware that the adroit analyst has her own plans. Emiliana challenges Katrielle to play at guessing the professions of their fellow customers, pitting the former's highly professional profiling skill squarely against the latter's esoteric and impulsive investigation methods.

  12. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E39 still E39

    39. Katrielle and the Invisible Baby

    An Agencybound Katrielle receives a call from babysitter Kelly, whose concerns are centered around her latest assignation appearing to include an invisible infant.

  13. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E38 still E38

    38. Dancing Scotland Yard Great Investigation Line

    Katrielle joins a Scotland Yard blockade erected around a bridge due for demolition after Bengary's latest Sketman, Punch, takes up residence. With the giant robot incapable of vocal communication, Katrielle must figure out the reason behind its behavior to put an end to the standoff.

  14. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E37 still E37

    37. Mintan's New Ambition

    The Agency is visited by Mintan's fellow farmworkers, seeking the team's help after a sudden personality change in their old friend transformed him from hard-working agronomist to obnoxious gambler sporting an improbable winning streak.

  15. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E36 still E36

    36. The Cursed London Collection

    Angel Arrow CEO Bergman calls on the Agency after the label's four showcase dresses vanish two nights before the world's biggest fashion show.

  16. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E35 still E35

    35. Professor Layton and the Relics Treasure: Episode 4

    The paths of the parties past and present converge in Southampton, as the final hours before the duo's disappearance count down.

  17. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E34 still E34

    34. Professor Layton and the Relics Treasure: Episode 3

    On the tail of the fabled Relics, the Professor and Luke of eleven years prior close in on a shadowy figure, while Katrielle and co. trace their whereabouts in the present.

  18. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E33 still E33

    33. Katrielle and the Murder on the Spaceship Bengarian

    Bengary challenges the Agency team to solving their most ambitious case yet: a murder mystery from the realm of his own imagination.

  19. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E32 still E32

    32. Katrielle and the Prince of the Stars

    Katrielle takes on the task of reuniting a young woman with the object of her affections, a man who claimed to hail from another planet.

  20. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E31 still E31

    31. Katrielle and the Witch Wife

    Strange goings-on in a suburban domicile lead the Agency's latest client to seek their advice as to whether or not his wife has become a witch.

  21. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E30 still E30

    30. Katrielle and the Immortal Vampire

    Strange goings-on in a suburban domicile lead the Agency's latest client to seek their advice as to whether or not his wife has become a witch.

  22. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E29 still E29

    29. Katrielle and the Nessie of Loch Nem

    The Agency trio travel to the Scottish Highlands after receiving a request to investigate recent sightings of the famous "Nessie" creature on the waters of Loch Nem.

  23. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E28 still E28

    28. The Goddess of the Thames Smiles a Second Time

    Katrielle finds yet another mystery on her hands when a celebratory treasure hunt held on a luxury cruise ship's inaugural voyage goes awry.

  24. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E27 still E27

    27. Fugitive Katri

    The Agency team are forced to go on the run from the law after Katrielle finds herself the prime suspect in a murder investigation.

  25. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E26 still E26

    26. The Diary of Noah

    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.

  26. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E25 still E25

    25. A Riverside Festival Love Story

    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.

  27. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E24 still E24

    24. The Clockwork Sweets

    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.

  28. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E23 still E23

    23. Katrielle and the Great Office Infiltration Strategy

    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.

  29. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E22 still E22

    22. Ultra-High Performance Robot Socketman

    Katrielle is invited to the unveiling of Agency acquaintance and child genius Bengary's latest invention: Sketman John, a robotic renaissance-manservant.

  30. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E21 still E21

    21. Katrielle and the Sweet-Scented Street Labyrinth

    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.

  31. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E20 still E20

    20. Professor Layton and the Relics Treasure: Episode 2

    Rosa returns to continue her story, and reveals the link between Katrielle's origins and the Professor's disappearance.

  32. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E19 still E19

    19. The Lonely Ghost

    The team are summoned by a young heiress whose estate is seemingly being haunted by a host of ethereal apparitions.

  33. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E18 still E18

    18. Molentary Express and Three Incidents

    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.

  34. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E17 still E17

    17. Katrielle and the Monster of London

    Hastings turns to the Agency trio when London is menaced by a mysterious growling giant lurking in the fog.

  35. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E16 still E16

    16. Katrielle and the Pandas' March

    Katrielle investigates a young girl on behalf of her concerned mother, who believes her daughter is able to predict the future.

  36. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E15 still E15

    15. Katrielle and the Mystery Circles

    The Agency receives a new mystery to solve when a young farmer details the unexplained appearance of strange patterns in their wheat fields.

  37. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E14 still E14

    14. Genius Analyst Officer Geraldine Royer

    Katrielle and the team are left puzzled when Hastings requests their help on a case where the culprit has already been uncovered.

  38. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E13 still E13

    13. Katrielle and the Doppelgänger

    Katrielle takes on a new case involving a young pianist who is being plagued by appearances of a doppelgänger.

  39. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E12 still E12

    12. Aspoirot and London's Holiday

    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.

  40. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E11 still E11

    11. Mystery at New Cinema Paradise

    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.

  41. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E10 still E10

    10. Professor Layton and the Relics Treasure: Episode 1

    Rosa, an old acquaintance of Katrielle's father, visits the Agency with information relating to the Professor's disappearance eleven years ago.

  42. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E9 still E9

    9. Cat-Colored Skyscrapers

    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.

  43. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E8 still E8

    8. The 100 Million Pounds that Left with the Wind

    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.

  44. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E7 still E7

    7. Ratman Returns

    The Agency is visited by a young boy named Leo who fears that the mysterious hero of London's streets, Ratman, has been kidnapped.

  45. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E6 still E6

    6. The Bus that Leapt Through Time

    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.

  46. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E5 still E5

    5. Katrielle and the Lucky Man

    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.

  47. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E4 still E4

    4. Katrielle and the Phantom Thief of the Century

    Inspector Hastings enlists the Agency's assistance in tracking down a serial jewel thief before the criminal can enact their most daring heist yet.

  48. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E3 still E3

    3. Katrielle and the Resurrected Corpses

    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.

  49. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E2 still E2

    2. Katrielle and the Devil's Dress

    Katrielle is approached by Pastel, a struggling musician, who claims that a strange dress he bought for his wife Olivia is causing her to become possessed.

  50. Layton Mystery Detective Agency: Kat's Mystery‑Solving Files S1 E1 still E1

    1. Katrielle and the Mysterious House

    Katrielle Layton, an intrepid investigator who heads up the three strong team at the Layton Detective Agency alongside her assistants Ernest and Sherl, takes on a case involving a mysterious house in which a new tenant's family suddenly and inexplicably disappeared.

Layton Mystery Detective Agency: Kat's Mystery‑Solving Files FAQ

Will there be new episodes of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files?

Layton Mystery Detective Agency: Kat's Mystery‑Solving Files has ended, so no new episodes are scheduled. The final episode aired on March 31, 2019.

When did the latest episode of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files come out?

The most recent episode of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files, Season 1 Episode 50 "Professor Layton and the Relics Treasure: Final Episode", aired on March 31, 2019.

How many seasons of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files are there?

Layton Mystery Detective Agency: Kat's Mystery‑Solving Files has 1 season with 50 episodes in total.

When did Layton Mystery Detective Agency: Kat's Mystery‑Solving Files first air?

Layton Mystery Detective Agency: Kat's Mystery‑Solving Files first aired on Fuji TV on April 8, 2018.

How do I get notified when new episodes of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files are released?

Download the Streambay app, follow Layton Mystery Detective Agency: Kat's Mystery‑Solving Files, and you'll get a push notification the moment each new episode is released.

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