How Watson learned the trick
- Jaar: 1970
- Land: Germany
- Genre: Mystery, Comedy, History
- Studio: Universität Bonn
- Sleutelwoord: amateur detective, detective story, based on short story, holmes/watson, detective with humor, detective comedy, sherlock holmes, bantering relationship
- Direkteur: Stefanie Hosenfeld
- Gooi: Jan Krolikowski, Dorian Lummel
