Hey Detective, Your Backpack is Open!(2026)
Hey Detective, Your Backpack is Open! Synopsis
A quirky detective-inventor tackles bizarre cases with a laid-back style, surrounded by his outrageous inventions.
Hey Detective, Your Backpack is Open! (2026) is a drama and comedy series that premiered on January 9, 2026, spanning 1 season and 8 episodes. It stars Ryuhei Matsuda, Hikaru Takahashi, Koji Ohkura and Shingo Mizusawa. Viewers rate it 6.7 out of 10 across 3 ratings.
- First aired:
- 2026-01-09
- Last aired:
- 2026-02-27
Hey Detective, Your Backpack is Open! Cast & Crew
Main cast
Ryuhei Matsuda
as Ichinose Yosuke
Hikaru Takahashi
as Sakai Aoi
Koji Ohkura
as Shimizu Toshinori
Shingo Mizusawa
as Muromachi Kei
Yuki Katayama
as Minami Kasumi
Ken Mitsuishi
as Shundo Keitaro
Kitaro
as Tobizaru
Mieko Harada
as Ichinose Ema
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Hey Detective, Your Backpack is Open! Reviews & Ratings
Average viewer score of 6.7/10 from 3 ratings.
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Hey Detective, Your Backpack is Open! – Frequently Asked Questions
Where can I stream Hey Detective, Your Backpack is Open!?
+
Hey Detective, Your Backpack is Open! (2026) is available to stream on TELESA Amazon Channel, with episodes also available to buy from Amazon Video. Availability comes from JustWatch data and varies by country.
How many seasons of Hey Detective, Your Backpack is Open! are there?
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Hey Detective, Your Backpack is Open! has 1 season and 8 episodes in total, starting from its premiere on January 9, 2026.
Is Hey Detective, Your Backpack is Open! still running?
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No. Hey Detective, Your Backpack is Open! is marked as ended, with the final episode airing on February 27, 2026.
Who is in the cast of Hey Detective, Your Backpack is Open!?
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Hey Detective, Your Backpack is Open! (2026) stars Ryuhei Matsuda, Hikaru Takahashi, Koji Ohkura, Shingo Mizusawa and Yuki Katayama. The full cast list with character names is available in the cast section of this page.
Is Hey Detective, Your Backpack is Open! any good?
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Hey Detective, Your Backpack is Open! (2026) is rated 6.7 out of 10 from 3 viewer votes, and suits viewers who like drama and comedy series. Reviews from viewers are collected further down this page.