6.4/108 votes#1 - Katrielle and the Mysterious House
Season 1 Episode 1 - 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.
Director: Kazuki Yokoyama
Writer: Akihiro Hino
6.3/106 votes#2 - Katrielle and the Devil's Dress
Season 1 Episode 2 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#3 - Katrielle and the Resurrected Corpses
Season 1 Episode 3 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#4 - Katrielle and the Phantom Thief of the Century
Season 1 Episode 4 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#5 - Katrielle and the Lucky Man
Season 1 Episode 5 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#6 - The Bus that Leapt Through Time
Season 1 Episode 6 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#7 - Ratman Returns
Season 1 Episode 7 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#8 - The 100 Million Pounds that Left with the Wind
Season 1 Episode 8 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#9 - Cat-Colored Skyscrapers
Season 1 Episode 9 - 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.
Director: Tetsuaki Watanabe
Writer: N/A
NaN/100 votes#10 - Professor Layton and the Relics Treasure: Episode 1
Season 1 Episode 10 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#11 - Mystery at New Cinema Paradise
Season 1 Episode 11 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#12 - Aspoirot and London's Holiday
Season 1 Episode 12 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#13 - Katrielle and the Doppelgänger
Season 1 Episode 13 - Aired 7/1/2018
Katrielle takes on a new case involving a young pianist who is being plagued by appearances of a doppelgänger.
Director: N/A
Writer: N/A
NaN/100 votes#14 - Genius Analyst Officer Geraldine Royer
Season 1 Episode 14 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#15 - Katrielle and the Mystery Circles
Season 1 Episode 15 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#16 - Katrielle and the Pandas' March
Season 1 Episode 16 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#17 - Katrielle and the Monster of London
Season 1 Episode 17 - Aired 7/29/2018
Hastings turns to the Agency trio when London is menaced by a mysterious growling giant lurking in the fog.
Director: N/A
Writer: N/A
NaN/100 votes#18 - Molentary Express and Three Incidents
Season 1 Episode 18 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#19 - The Lonely Ghost
Season 1 Episode 19 - Aired 8/12/2018
The team are summoned by a young heiress whose estate is seemingly being haunted by a host of ethereal apparitions.
Director: N/A
Writer: N/A
NaN/100 votes#20 - Professor Layton and the Relics Treasure: Episode 2
Season 1 Episode 20 - Aired 8/19/2018
Rosa returns to continue her story, and reveals the link between Katrielle's origins and the Professor's disappearance.
Director: N/A
Writer: N/A
NaN/100 votes#21 - Katrielle and the Sweet-Scented Street Labyrinth
Season 1 Episode 21 - 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.
Director: Tetsuaki Watanabe
Writer: N/A
NaN/100 votes#22 - Ultra-High Performance Robot Socketman
Season 1 Episode 22 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#23 - Katrielle and the Great Office Infiltration Strategy
Season 1 Episode 23 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#24 - The Clockwork Sweets
Season 1 Episode 24 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#25 - A Riverside Festival Love Story
Season 1 Episode 25 - 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.
Director: N/A
Writer: N/A
The Best Episodes of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files Season 1
Every episode of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files Season 1 ranked from best to worst. Discover the Best Episodes of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files Season 1!
The story is set in London and follows Katrielle as she solves mysteries with her talking dog Sherl.
Genres:AnimationComedyMysteryKids
Network:Fuji TV
Season 1 Ratings Summary
"Katrielle and the Mysterious House" is the best rated episode of "Layton Mystery Detective Agency: Kat's Mystery‑Solving Files" season 1. It scored 6.4/10 based on 8 votes. Directed by Kazuki Yokoyama and written by Akihiro Hino, it aired on 4/8/2018. This episode is rated 0.1 points higher than the second-best, "Katrielle and the Devil's Dress".