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

S01E01 Katrielle and the Mysterious House

April 8, 2018 24 min

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...

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S01E02 Katrielle and the Devil's Dress

April 15, 2018 24 min

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.

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S01E03 Katrielle and the Resurrected Corpses

April 22, 2018 24 min

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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S01E04 Katrielle and the Phantom Thief of the Century

April 29, 2018 24 min

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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S01E05 Katrielle and the Lucky Man

May 6, 2018 24 min

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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S01E06 The Bus that Leapt Through Time

May 13, 2018 24 min

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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S01E07 Ratman Returns

May 20, 2018 24 min

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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S01E08 The 100 Million Pounds that Left with the Wind

May 27, 2018 24 min

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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S01E09 Cat-Colored Skyscrapers

June 3, 2018 24 min

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.

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S01E10 Professor Layton and the Relics Treasure: Episode 1

June 10, 2018 24 min

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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S01E11 Mystery at New Cinema Paradise

June 17, 2018 24 min

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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S01E12 Aspoirot and London's Holiday

June 24, 2018 24 min

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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S01E13 Katrielle and the Doppelgänger

July 1, 2018 24 min

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

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S01E14 Genius Analyst Officer Geraldine Royer

July 8, 2018 24 min

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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S01E15 Katrielle and the Mystery Circles

July 15, 2018 24 min

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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S01E16 Katrielle and the Pandas' March

July 22, 2018 24 min

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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S01E17 Katrielle and the Monster of London

July 29, 2018 24 min

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

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S01E18 Molentary Express and Three Incidents

August 5, 2018 24 min

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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S01E19 The Lonely Ghost

August 12, 2018 24 min

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

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S01E20 Professor Layton and the Relics Treasure: Episode 2

August 19, 2018 24 min

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

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S01E21 Katrielle and the Sweet-Scented Street Labyrinth

August 26, 2018 24 min

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.

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S01E22 Ultra-High Performance Robot Socketman

September 2, 2018 24 min

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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S01E23 Katrielle and the Great Office Infiltration Strategy

September 16, 2018 24 min

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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S01E24 The Clockwork Sweets

September 23, 2018 24 min

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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S01E25 A Riverside Festival Love Story

September 30, 2018 24 min

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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S01E26 The Diary of Noah

October 7, 2018 24 min

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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S01E27 Fugitive Katri

October 14, 2018 24 min

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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S01E28 The Goddess of the Thames Smiles a Second Time

October 21, 2018 24 min

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

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S01E29 Katrielle and the Nessie of Loch Nem

October 28, 2018 24 min

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.

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S01E30 Katrielle and the Immortal Vampire

November 4, 2018 24 min

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.

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S01E31 Katrielle and the Witch Wife

November 11, 2018 24 min

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.

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S01E32 Katrielle and the Prince of the Stars

November 18, 2018 24 min

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.

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S01E33 Katrielle and the Murder on the Spaceship Bengarian

November 25, 2018 24 min

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

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S01E34 Professor Layton and the Relics Treasure: Episode 3

December 2, 2018 24 min

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.

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S01E35 Professor Layton and the Relics Treasure: Episode 4

December 9, 2018 24 min

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

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S01E36 The Cursed London Collection

December 16, 2018 24 min

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.

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S01E37 Mintan's New Ambition

December 23, 2018 24 min

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.

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S01E38 Dancing Scotland Yard Great Investigation Line

January 6, 2019 24 min

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...

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S01E39 Katrielle and the Invisible Baby

January 13, 2019 24 min

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

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S01E40 Geraldine Royer and the Final Customer

January 20, 2019 24 min

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...

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S01E41 Katrielle and the Strange Spirit Photo

January 27, 2019 24 min

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.

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S01E42 Great Detective Sherl O.C. Kholmes

February 3, 2019 24 min

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.

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S01E43 Katrielle and Horror Castle VR

February 10, 2019 24 min

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

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S01E44 Katrielle and the Superman Chef

February 17, 2019 24 min

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.

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S01E45 Katrielle and the Ghost Club

February 24, 2019 24 min

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

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S01E46 Katrielle and the Hundred Faces of Mona Lisa

March 3, 2019 24 min

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...

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S01E47 The Millionaire Ariadne's Conspiracy (1)

March 10, 2019 24 min

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...

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S01E48 The Millionaire Ariadne's Conspiracy (2)

March 17, 2019 24 min

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.

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S01E49 Professor Layton and the Relics Treasure: Episode 5

March 24, 2019 24 min

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...

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S01E50 Professor Layton and the Relics Treasure: Final Episode

March 31, 2019 24 min

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.

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