Volume 50

Volume 50 was released on July 15, 2005 in Japan.

Group Date Kidnapping Case
Anime Episode 431-432: Metropolitan Police Detective Love Story 7

Magazine Interview Case
Anime Episode 435-436: Information Gathered About the Detective Boys

Yuki-Onna Murder Case
Anime Episode 490: Heiji Hattori vs. Shinichi Kudo: Deduction Battle on the Ski Slope

Trivia

 * The title for each chapter are worded as the following in Case Closed:
 * File 511 - The Menacing Mixer
 * File 512 - The Secret Visit
 * File 513 - A Boring Game
 * File 514 - Jackpot!
 * File 515 - A Thrilling Interview
 * File 516 - A Message from a Murderer
 * File 517 - The Detective Boys
 * File 518 - Harley's Memory
 * File 519 - Scheme of the Snow Spirit
 * File 520 - The Mysterious Lift
 * File 521 - The Legend of the Snow Spirit