Name: My Grandfather, the Master Detective
Director: Yoshiaki Murao
Genre: Mystery
Released: 2026-01-01
Cast: Ai Yoshikawa, Keito Tsuna, Yuri Tsunematsu, Aloha Takamatsu, Hisashi Yoshizawa

Question 1

What is My Grandfather, the Master Detective (2026) about?

Accepted Answer

Elementary school teacher Kaede reunites with the grandfather who raised her as he begins living with Lewy body dementia, confronting the challenges the illness brings to their lives and relationship.

Question 2

Who stars in My Grandfather, the Master Detective?

Accepted Answer

My Grandfather, the Master Detective stars Ai Yoshikawa (Kaede), Keito Tsuna (Shiki), Yuri Tsunematsu (Misaki), Aloha Takamatsu (Iwata), Hisashi Yoshizawa (Agatsuma). The series was created by Yoshiaki Murao.

Question 3

Where can I watch My Grandfather, the Master Detective?

Accepted Answer

Streaming availability for My Grandfather, the Master Detective changes by country and service. TasteRay tracks where it is available across Netflix, Prime Video, Disney+, Max, Apple TV+ and 50+ other platforms — the current options for your country are shown on this page.

My Grandfather, the Master Detective

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