Case Closed: The Fist of Blue Sapphire, known as Detective Conan: The Fist of Blue Sapphire (名探偵コナン 紺青の) in Japan, is a 2019 Japanese animated mystery film. It is the twenty-third installment of the Case Closed film series based on the manga series of the same name by Gosho Aoyama, following the 2018 film Case Closed: Zero the Enforcer. The film was released on 12 April 2019.[8]
This was the last Heisei-era Case Closed film, released weeks before the 2019 Japanese imperial transition.[9][10] The setting of the film takes place in Singapore, most notably surrounding the Marina Bay Sands.
The film was the 4th highest-grossing Case Closed films in Japan with mixed to positive reviews. Critics praised its visual effects, direction, and characters but criticized its plot and screenplay. It was the second highest-grossing Case Closed film with a worldwide box-office gross of $123 million.