The BEST episodes of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files

Every episode of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Layton Mystery Detective Agency: Kat's Mystery‑Solving Files!

Professor Layton's daughter, Katrielle Layton, runs the Layton Detective Agency together with the talking dog Sherl and her assistant Ernest, and solves strange cases that happen everyday in London. Originally, she started the job with the purpose of finding her father, Hershel Layton, who had disappeared suddenly, but her incredible ability to solve puzzles made her well-known and she receives numerous requests.

Last Updated: 3/6/2023Network:Fuji TV
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Katrielle and the Doppelgänger
star
10.00
1 votes

#1 - 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.

A Riverside Festival Love Story
star
9.00
1 votes

#2 - A Riverside Festival Love Story

Season 1 - Episode 25 - Aired 9/30/2018

Katrielle joins the investigation into a tragic incident that took place on the River Thames during the city's Riverside Festival.

The Diary of Noah
star
9.00
1 votes

#3 - The Diary of Noah

Season 1 - Episode 26 - Aired 10/7/2018

Ernest recounts the time he was accused of stealing valuable research papers on his first day at Gressenheller University, and, in doing so, his fateful first meeting with Katrielle.

Fugitive Katri
star
9.00
1 votes

#4 - Fugitive Katri

Season 1 - Episode 27 - Aired 10/14/2018

The Agency team find themselves on the run from the law after Katrielle is accused of a murder.

The Goddess of the Thames Smiles Twice
star
9.00
1 votes

#5 - The Goddess of the Thames Smiles Twice

Season 1 - Episode 28 - Aired 10/21/2018

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

Professor Layton and the Relics Treasure: Episode 2
star
8.00
2 votes

#6 - 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.

Professor Layton and the Relics Treasure: Final Episode
star
8.00
2 votes

#7 - Professor Layton and the Relics Treasure: Final Episode

Season 1 - Episode 50 - Aired 3/31/2019

The two parties at last united, their path leads to the Greenwich Observatory for a final showdown with the man behind the entire conspiracy.

Professor Layton and the Relics Treasure: Episode 1
star
7.50
2 votes

#8 - 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.

Ratman Returns
star
7.00
1 votes

#9 - 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.

Ultra-High Performance Robot Socketman
star
7.00
1 votes

#10 - 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: Socketman, a robotic renaissance-manservant.

Katrielle and the Sweet-Scented Street Labyrinth
star
7.00
1 votes

#11 - 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.

Molentary Express and Three Incidents
star
7.00
1 votes

#12 - 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.

Mystery at New Cinema Paradise
star
7.00
1 votes

#13 - 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.

Cat-Colored Skyscrapers
star
7.00
1 votes

#14 - 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.

The Bus that Leapt Through Time
star
7.00
1 votes

#15 - 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.

Katrielle and the Resurrected Corpses
star
7.00
4 votes

#16 - 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.

Katrielle and the Devil's Dress
star
7.00
4 votes

#17 - 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.

Katrielle and the Mysterious House
star
6.80
5 votes

#18 - 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.

Katrielle and the Lucky Man
star
6.50
2 votes

#19 - 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.

Aspoirot and London's Holiday
star
6.50
2 votes

#20 - 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.

Genius Analyst Officer Geraldine Royer
star
6.50
2 votes

#21 - Genius Analyst Officer Geraldine Royer

Season 1 - Episode 14 - Aired 7/8/2018

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

The Lonely Ghost
star
6.00
1 votes

#22 - 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.

Katrielle and the Monster of London
star
6.00
1 votes

#23 - 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.

Katrielle and the Mystery Circles
star
6.00
1 votes

#24 - 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.

The 100 Million Pounds that Left with the Wind
star
6.00
1 votes

#25 - 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.

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