The Dinner Table Detective (2025)

A witty Japanese animated mystery-comedy where a wealthy heiress plays detective and her razor-sharp butler solves every case she cannot.

The Dinner Table Detective - Series Information

  • Original Title: 謎解きはディナーのあとで
  • First Air Year: 2025
  • Last Air Year: 2025
  • Type: TV Series
  • Genres: Animation, Mystery, Comedy, Crime
  • Episode Runtime: Average runtime per episode (23 minutes)
  • Number of Seasons: 1
  • Number of Episodes: 12
  • Status: Ended
  • Original Language: Japanese
  • Spoken Languages: Japanese
  • First Air Date: April 4, 2025 (France - 12), April 4, 2025 (India - U/A 16+), April 4, 2025 (Australia - PG), April 4, 2025 (Spain - 13)
  • Networks: Fuji TV, Tokai Television Broadcasting, Kansai TV, Fukui TV, Hokkaido Cultural Broadcasting, Iwate Menkoi Television, TOS, Sendai Television, SAGA TV, Ishikawa TV, TNC, OHK, Kochi Sun Sun Broadcasting, Television Shin Hiroshima System, TV Shizuoka, UMK TV Miyazaki, NST, NBS, Sakuranbo TV, TSK, Ehime Broadcasting, KTS, Fukushima TV, NIB, KKT, AKT, Toyama Television, Okinawa Television Broadcasting
  • Alternative Titles: The After-Dinner Mysteries (US), Nazotoki wa Dinner no Ato de (JP), The Dinner Table Detective (IT)
  • Production Companies: Madhouse, Fuji Television Network, Shogakukan, Aniplex, Fuji Creative Corporation, dentsu, movic
  • Production Countries: Japan

The Dinner Table Detective - Plot

Rich heiress Reiko Hosho lives a double life as a novice detective, fighting crime under Inspector Kazamatsuri—also from a wealthy family. After work, Reiko sheds her pantsuit to don a lovely dress for dinner each day. Difficult cases force her to confide in her butler Kageyama, who proceeds to savagely ridicule her inability to solve mysteries, all while brilliantly unraveling each case himself.

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The Dinner Table Detective - Cast & Crew

Main Cast

  • Kana Hanazawa
  • Yuki Kaji
  • Mamoru Miyano
  • Mitsuho Kambe
  • Mami Fujita
  • Rio Sato
  • Shizuka Yamazaki
  • Tomohiro Fujitaka
  • Hirohito Yamada
  • Akira Koga

Writers

  • Mariko Kunisawa
  • Mitsuyuki Masuhara

The Dinner Table Detective - FAQs

Is The Dinner Table Detective based on a book?

The series is adapted from a popular Japanese novel series by Tokuya Higashigawa. The books follow the same comedic mystery premise, with butler Kageyama routinely outwitting his employer Reiko while delivering sharp, witty commentary on her detective shortcomings. The novels were also previously adapted into a live-action Japanese TV drama.

What makes Kageyama such a memorable character?

Kageyama flips the classic butler archetype on its head. Rather than being deferential and discreet, he gleefully mocks his mistress Reiko for every clue she misses, then effortlessly solves the case himself. Voiced by Yuki Kaji, his blend of impeccable manners and savage wit makes him one of anime's most entertaining supporting characters.

Where can you stream The Dinner Table Detective?

The Dinner Table Detective is available to stream on Amazon Prime Video, including the ad-supported tier Amazon Prime Video with Ads. Availability may vary depending on your region, so checking your local Amazon Prime Video library is the best way to confirm access.

Who voices the main characters in The Dinner Table Detective?

Kana Hanazawa voices the enthusiastic but hapless heiress-detective Reiko Hosho, while Yuki Kaji brings the brilliantly cutting butler Kageyama to life. Mamoru Miyano rounds out the central trio as Inspector Kyoichiro Kazamatsuri, Reiko's equally blue-blooded superior officer at the police department.

Is The Dinner Table Detective worth watching?

For fans of light mystery anime with sharp comedic writing, it's a delightful watch. The show's charm lies in its playful dynamic between the oblivious Reiko and the insufferably brilliant Kageyama. At just 23 minutes per episode across 12 episodes, it's an easy, breezy series to enjoy in a weekend.

Who animated The Dinner Table Detective?

The series was produced by Madhouse, the legendary Japanese animation studio behind acclaimed titles such as Death Note, Hunter x Hunter, and One Punch Man Season 1. Madhouse's involvement brings polished production values to the show's elegant, upper-class aesthetic and its comedic timing.

How many episodes does The Dinner Table Detective have?

The series ran for one complete season of 12 episodes, each approximately 23 minutes long. It aired in Japan beginning April 4, 2025, on Fuji TV and a wide network of affiliated regional broadcasters, and concluded its run the same year.

What anime series are similar to The Dinner Table Detective?

If you enjoy The Dinner Table Detective's mystery-comedy blend, Case Closed: The Culprit Hanzawa and Ron Kamonohashi's Forbidden Deductions offer a similar tone. Hyouka is another excellent pick for fans of clever, character-driven mystery anime. Case Closed: Zero's Tea Time also shares the light, episodic detective format.

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