Layton Mystery Detective Agency: Kat's Mystery‑Solving Files: Season 1
This season started on April 8, 2018. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Katrielle and the Mysterious House · 24 min | |
| 2 | Katrielle and the Devil's Dress · 24 min | |
| 3 | Katrielle and the Resurrected Corpses · 24 min | |
| 4 | Katrielle and the Phantom Thief of the Century · 24 min | |
| 5 | Katrielle and the Lucky Man · 24 min | |
| 6 | The Bus that Leapt Through Time · 24 min | |
| 7 | Ratman Returns · 24 min | |
| 8 | The 100 Million Pounds that Left with the Wind · 24 min | |
| 9 | Cat-Colored Skyscrapers · 24 min | |
| 10 | Professor Layton and the Relics Treasure: Episode 1 · 24 min | |
| 11 | Mystery at New Cinema Paradise · 24 min | |
| 12 | Aspoirot and London's Holiday · 24 min | |
| 13 | Katrielle and the Doppelgänger · 24 min | |
| 14 | Genius Analyst Officer Geraldine Royer · 24 min | |
| 15 | Katrielle and the Mystery Circles · 24 min | |
| 16 | Katrielle and the Pandas' March · 24 min | |
| 17 | Katrielle and the Monster of London · 24 min | |
| 18 | Molentary Express and Three Incidents · 24 min | |
| 19 | The Lonely Ghost · 24 min | |
| 20 | Professor Layton and the Relics Treasure: Episode 2 · 24 min | |
| 21 | Katrielle and the Sweet-Scented Street Labyrinth · 24 min | |
| 22 | Ultra-High Performance Robot Socketman · 24 min | |
| 23 | Katrielle and the Great Office Infiltration Strategy · 24 min | |
| 24 | The Clockwork Sweets · 24 min | |
| 25 | A Riverside Festival Love Story · 24 min | |
| 26 | The Diary of Noah · 24 min | |
| 27 | Fugitive Katri · 24 min | |
| 28 | The Goddess of the Thames Smiles a Second Time · 24 min | |
| 29 | Katrielle and the Nessie of Loch Nem · 24 min | |
| 30 | Katrielle and the Immortal Vampire · 24 min | |
| 31 | Katrielle and the Witch Wife · 24 min | |
| 32 | Katrielle and the Prince of the Stars · 24 min | |
| 33 | Katrielle and the Murder on the Spaceship Bengarian · 24 min | |
| 34 | Professor Layton and the Relics Treasure: Episode 3 · 24 min | |
| 35 | Professor Layton and the Relics Treasure: Episode 4 · 24 min | |
| 36 | The Cursed London Collection · 24 min | |
| 37 | Mintan's New Ambition · 24 min | |
| 38 | Dancing Scotland Yard Great Investigation Line · 24 min | |
| 39 | Katrielle and the Invisible Baby · 24 min | |
| 40 | Geraldine Royer and the Final Customer · 24 min | |
| 41 | Katrielle and the Strange Spirit Photo · 24 min | |
| 42 | Great Detective Sherl O.C. Kholmes · 24 min | |
| 43 | Katrielle and Horror Castle VR · 24 min | |
| 44 | Katrielle and the Superman Chef · 24 min | |
| 45 | Katrielle and the Ghost Club · 24 min | |
| 46 | Katrielle and the Hundred Faces of Mona Lisa · 24 min | |
| 47 | The Millionaire Ariadne's Conspiracy (1) · 24 min | |
| 48 | The Millionaire Ariadne's Conspiracy (2) · 24 min | |
| 49 | Professor Layton and the Relics Treasure: Episode 5 · 24 min | |
| 50 | Professor Layton and the Relics Treasure: Final Episode · 24 min |
