Nazo no yakôkamen arawaru
- Episode aired Jun 4, 1979
- TV-PG
Nightlight Mask murdered the Duke of Le Mond and stole his diamonds. ICPO is having trouble solving the case, so they induct mystery author Conan Dorill as a special inspector.Nightlight Mask murdered the Duke of Le Mond and stole his diamonds. ICPO is having trouble solving the case, so they induct mystery author Conan Dorill as a special inspector.Nightlight Mask murdered the Duke of Le Mond and stole his diamonds. ICPO is having trouble solving the case, so they induct mystery author Conan Dorill as a special inspector.