- Country: Norway
- Genres: Family, Mystery
- Release: 2018-03-23
- Director: Grethe Bøe-Waal
- Writers: Grethe Bøe-Waal , Jørn Lier Horst
- Language: Norwegian
- Stars: Emma Kilane , Thomas Farestveit , Devin , Finn Schau , Eldar Vågan , Lise Fjeldstad , Pål Sverre Hagen , Jon Eikemo , Kaisa Gurine Antonsen , Ulrikke Hansen Døvigen
- Runtime: 82 min
- Awards: 1 nomination
- AKA: Operation Mørkemand (Denmark) , Operasjon Mørkemann , Operation Shadowman (United States of America) , Dubbeldeckarna och Mörkermannen (Sweden) , Operacja 'Czlowiek w czerni' (Poland) , Operasjon Mørkemann (Norway)
- Plot: The detective agency no. 2 has a new case to solve. Strange holes in the ground have appeared during the night and ruin Oliver's bike. The child detectives Tiril and Oliver will have to be as smart as Sherlock Holmes to find it out.
- IMDB:tt7496972
Operasjon Mørkemann Cast · · · ALL
Grethe Bøe-Waal
Director
Pål Sverre Hagen
Onkel
Finn Schau
Josef Scott
Kaisa Gurine Antonsen
Ida
Lise Fjeldstad
Anna