Layton Mystery Detective Agency: Kat's Mystery‑Solving Files - Season 1

First aired: 4/8/2018 50 episodes

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Episodes

1. Katrielle and the Mysterious House

Aired: 4/8/2018

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.

2. Katrielle and the Devil's Dress

Aired: 4/15/2018

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.

3. Katrielle and the Resurrected Corpses

Aired: 4/22/2018

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.

4. Katrielle and the Phantom Thief of the Century

Aired: 4/29/2018

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

5. Katrielle and the Lucky Man

Aired: 5/6/2018

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.

6. The Bus that Leapt Through Time

Aired: 5/13/2018

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.

7. Ratman Returns

Aired: 5/20/2018

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

8. The 100 Million Pounds that Left with the Wind

Aired: 5/27/2018

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.

9. Cat-Colored Skyscrapers

Aired: 6/3/2018

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.

10. Professor Layton and the Relics Treasure: Episode 1

Aired: 6/10/2018

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

11. Mystery at New Cinema Paradise

Aired: 6/17/2018

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.

12. Aspoirot and London's Holiday

Aired: 6/24/2018

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.

13. Katrielle and the Doppelgänger

Aired: 7/1/2018

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

14. Genius Analyst Officer Geraldine Royer

Aired: 7/8/2018

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

15. Katrielle and the Mystery Circles

Aired: 7/15/2018

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

16. Katrielle and the Pandas' March

Aired: 7/22/2018

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

17. Katrielle and the Monster of London

Aired: 7/29/2018

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

18. Molentary Express and Three Incidents

Aired: 8/5/2018

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.

19. The Lonely Ghost

Aired: 8/12/2018

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

20. Professor Layton and the Relics Treasure: Episode 2

Aired: 8/19/2018

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

21. Katrielle and the Sweet-Scented Street Labyrinth

Aired: 8/26/2018

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.

22. Ultra-High Performance Robot Socketman

Aired: 9/2/2018

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

23. Katrielle and the Great Office Infiltration Strategy

Aired: 9/16/2018

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.

24. The Clockwork Sweets

Aired: 9/23/2018

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.

25. A Riverside Festival Love Story

Aired: 9/30/2018

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.

26. The Diary of Noah

Aired: 10/7/2018

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.

27. Fugitive Katri

Aired: 10/14/2018

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

28. The Goddess of the Thames Smiles a Second Time

Aired: 10/21/2018

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

29. Katrielle and the Nessie of Loch Nem

Aired: 10/28/2018

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.

30. Katrielle and the Immortal Vampire

Aired: 11/4/2018

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.

31. Katrielle and the Witch Wife

Aired: 11/11/2018

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.

32. Katrielle and the Prince of the Stars

Aired: 11/18/2018

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.

33. Katrielle and the Murder on the Spaceship Bengarian

Aired: 11/25/2018

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

34. Professor Layton and the Relics Treasure: Episode 3

Aired: 12/2/2018

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.

35. Professor Layton and the Relics Treasure: Episode 4

Aired: 12/9/2018

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

36. The Cursed London Collection

Aired: 12/16/2018

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.

37. Mintan's New Ambition

Aired: 12/23/2018

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.

38. Dancing Scotland Yard Great Investigation Line

Aired: 1/6/2019

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.

39. Katrielle and the Invisible Baby

Aired: 1/13/2019

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

40. Geraldine Royer and the Final Customer

Aired: 1/20/2019

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.

41. Katrielle and the Strange Spirit Photo

Aired: 1/27/2019

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.

42. Great Detective Sherl O.C. Kholmes

Aired: 2/3/2019

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.

43. Katrielle and Horror Castle VR

Aired: 2/10/2019

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

44. Katrielle and the Superman Chef

Aired: 2/17/2019

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.

45. Katrielle and the Ghost Club

Aired: 2/24/2019

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

46. Katrielle and the Hundred Faces of Mona Lisa

Aired: 3/3/2019

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.

47. The Millionaire Ariadne's Conspiracy (1)

Aired: 3/10/2019

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.

48. The Millionaire Ariadne's Conspiracy (2)

Aired: 3/17/2019

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.

49. Professor Layton and the Relics Treasure: Episode 5

Aired: 3/24/2019

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.

50. Professor Layton and the Relics Treasure: Final Episode

Aired: 3/31/2019

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.