Hey Detective, Your Backpack is Open! (2026): cast, story & where to watch
2026 · Series · ★ 7.5
Released in 2026, Hey Detective, Your Backpack is Open! is a drama and comedy series.
What it’s about. A quirky detective-inventor tackles bizarre cases with a laid-back style, surrounded by his outrageous inventions.
Who’s in it. Hey Detective, Your Backpack is Open! stars Ryuhei Matsuda as Ichinose Yosuke, Hikaru Takahashi as Sakai Aoi, Koji Ohkura as Shimizu Toshinori and Shingo Mizusawa as Muromachi Kei, among others.
How it landed. With an audience score of 7.5/10, Hey Detective, Your Backpack is Open! has been warmly received by audiences.
Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch Hey Detective, Your Backpack is Open! page.
If you liked it. Fans of Hey Detective, Your Backpack is Open! tend to enjoy Breaking Bad, Better Call Saul, Demon Slayer: Kimetsu no Yaiba and Attack on Titan.
Frequently asked
- Where can I watch Hey Detective, Your Backpack is Open! (2026)?
- Streaming, rental and purchase options for Hey Detective, Your Backpack is Open! change frequently. Check our where-to-watch page for the latest availability in your country.
- Is Hey Detective, Your Backpack is Open! worth watching?
- Hey Detective, Your Backpack is Open! holds an audience score of 7.5 out of 10, and is a strong pick if you enjoy drama and comedy. Most viewers rate it highly.
- Who stars in Hey Detective, Your Backpack is Open!?
- Hey Detective, Your Backpack is Open! stars Ryuhei Matsuda, Hikaru Takahashi, Koji Ohkura, Shingo Mizusawa and Yuki Katayama.
- When was Hey Detective, Your Backpack is Open! released?
- Hey Detective, Your Backpack is Open! was released in 2026.