Case Closed: The Fist of Blue Sapphire

Conan Edogawa is smuggled into Singapore, where he must investigate a murder at the Marina Bay Sands hotel. The crime is linked to a legendary blue sapphire, known as the Blue Lapis Fist, which was lost in a pirate shipwreck during the late 19th century. As a local millionaire attempts to recover the gem, Conan works alongside karate champion Makoto Kyogoku to stop the master thief Kaito Kid from stealing the jewel.

Directed by Chika Nagaoka, this 2019 animated crime mystery is the first of four films listed in the director's career, followed by Utano Princesama Maji LOVE Kingdom, Detective Conan: The Scarlet Bullet, and Detective Conan: The Million-Dollar Pentagram. The voice cast features Minami Takayama, Kappei Yamaguchi, Wakana Yamazaki, Rikiya Koyama, Naoko Matsui, and Nobuyuki Hiyama. The production involved TOHO, Nippon Television Network Corporation, TMS Entertainment, and Yomiuri Telecasting Corporation.

The film earned 115 million USD at the worldwide box office. Audience reception is similar across platforms, with a rating of 6.3/10 on IMDb based on 2,500 votes and 6.2/10 on TMDB from 187 votes.