Layton Mystery Detective Agency: Kat's Mystery‑Solving Files: Season 1
Episode Guide
Season 1 Progress Shield
Katrielle and the Mysterious House
Apr 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
Katrielle and the Devil's Dress
Apr 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.
Katrielle and the Resurrected Corpses
Apr 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.
Katrielle and the Phantom Thief of the Century
Apr 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.
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.
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
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.
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.
Cat-Colored Skyscrapers
Jun 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.
Professor Layton and the Relics Treasure: Episode 1
Jun 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.
Mystery at New Cinema Paradise
Jun 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.
Aspoirot and London's Holiday
Jun 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 w
Katrielle and the Doppelgänger
Jul 1, 2018 · 24 min
Katrielle takes on a new case involving a young pianist who is being plagued by appearances of a doppelgänger.
Genius Analyst Officer Geraldine Royer
Jul 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.
Katrielle and the Mystery Circles
Jul 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.
Katrielle and the Pandas' March
Jul 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.
Katrielle and the Monster of London
Jul 29, 2018 · 24 min
Hastings turns to the Agency trio when London is menaced by a mysterious growling giant lurking in the fog.
Molentary Express and Three Incidents
Aug 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.
The Lonely Ghost
Aug 12, 2018 · 24 min
The team are summoned by a young heiress whose estate is seemingly being haunted by a host of ethereal apparitions.
Professor Layton and the Relics Treasure: Episode 2
Aug 19, 2018 · 24 min
Rosa returns to continue her story, and reveals the link between Katrielle's origins and the Professor's disappearance.
Katrielle and the Sweet-Scented Street Labyrinth
Aug 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.
Ultra-High Performance Robot Socketman
Sep 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.
Katrielle and the Great Office Infiltration Strategy
Sep 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.
The Clockwork Sweets
Sep 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.
A Riverside Festival Love Story
Sep 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.
The Diary of Noah
Oct 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.
Fugitive Katri
Oct 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.
The Goddess of the Thames Smiles a Second Time
Oct 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.
Katrielle and the Nessie of Loch Nem
Oct 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.
Katrielle and the Immortal Vampire
Nov 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.
Katrielle and the Witch Wife
Nov 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.
Katrielle and the Prince of the Stars
Nov 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.
Katrielle and the Murder on the Spaceship Bengarian
Nov 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.
Professor Layton and the Relics Treasure: Episode 3
Dec 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.
Professor Layton and the Relics Treasure: Episode 4
Dec 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.
The Cursed London Collection
Dec 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.
Mintan's New Ambition
Dec 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
Dancing Scotland Yard Great Investigation Line
Jan 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 voc
Katrielle and the Invisible Baby
Jan 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.
Geraldine Royer and the Final Customer
Jan 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 a
Katrielle and the Strange Spirit Photo
Jan 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.
Great Detective Sherl O.C. Kholmes
Feb 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.
Katrielle and Horror Castle VR
Feb 10, 2019 · 24 min
The Agency trio are recruited by an old client with the goal of completing a challenging "virtual reality game".
Katrielle and the Superman Chef
Feb 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 challen
Katrielle and the Ghost Club
Feb 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".
Katrielle and the Hundred Faces of Mona Lisa
Mar 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 surr
The Millionaire Ariadne's Conspiracy (1)
Mar 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 wit
The Millionaire Ariadne's Conspiracy (2)
Mar 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
Professor Layton and the Relics Treasure: Episode 5
Mar 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 "Aldebar
Professor Layton and the Relics Treasure: Final Episode
Mar 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.