This is a list of episodes of the anime Layton Mystery Detective Agency: Kat's Mystery-Solving Files.
| File # | Title | Original airdate |
|---|---|---|
| 1 | Katrielle and the Mysterious House | April 8, 2018 |
| 2 | Katrielle and the Diabolical Dress | April 15, 2018 |
| 3 | Katrielle and the Resurrected Corpses | April 22, 2018 |
| 4 | Katrielle and the Phantom Thief of the Century | April 29, 2018 |
| 5 | Katrielle and the Lucky Man | May 6, 2018 |
| 6 | Katrielle and the Bus Beyond Time | May 13, 2018 |
| 7 | Ratman Returns | May 20, 2018 |
| 8 | The 100 Million Pounds that Left with the Wind | May 27, 2018 |
| 9 | Cat-Colored Skyscrapers | June 3, 2018 |
| 10 | Professor Layton and the Hidden Relics: Episode 1 | June 10, 2018 |
| 11 | Mysterious Case of New Cinema Paradise | June 17, 2018 |
| 12 | Aspoirot's London Holiday |
Trivia
- Starting with File 7, the series debuted adaptions of some cases from the game, though in a different chronological order