This was the first Case Closed film in full-length traditional digital paint. Studio A-CAT did the 3D graphics.
Jewel Dragon Temple in real-life is inspired from Kurama-dera Mountain Temple.
This is the first movie not to be dubbed by FUNimation.
The cafe from which Shinichi calls Ran at the start of the movie has number 221B as it address just like Sherlock Holmes and John Watson's apartment (221B Baker Street).
Benkei's motorcycle is a Yamaha WR 450 F.