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Detective Conan: Black Iron Submarine (2023)

Name: Detective Conan: Black Iron Submarine
Director: Yuzuru Tachikawa
Genre: Animation, Action, Crime, Mystery
Released: 2023-04-14
Duration: 1 h 50 min
Rating: 7.0
Cast: Minami Takayama, Wakana Yamazaki, Rikiya Koyama, Megumi Hayashibara, Shuichi Ikeda

TMDB 7.01h 50mAnimation Action Crime Mystery

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Plot Summary

While visiting Hachijo-jima, Conan sneaks aboard a security boat heading to the Pacific Buoy, an off-shore facility constructed near the coasts built to connect surveillance cameras used by police forces around the world. However, an engineer gets abducted! An eerie sound of a propeller hums underwater as a dark figure begins to creep toward Ai Haibara... When the forbidden Black Box is opened, the sealed-away past will surface above the treacherous waves!

Our Take

Expert, independent review by the HollyFlixHD Editorial Team

Must Watch

A silent alarm reverberates beneath the surf and pulls you into a world where every ripple hides a secret. Unlike conventional detective affairs, you find Conan steering through a covert naval platform that stitches global police feeds, turning sleuthing into a high‑stakes oceanic labyrinth. The film’s underwater sequences are captured with hyper‑realistic detail, turning each muted splash into a psychological battle that physically feels cool against the heat of tension. Some prolonged underwater interludes drag the tempo, occasionally letting suspense evaporate. Ideal for you if you love detective thrillers that bond artistic depth with relentless suspense.