How Watson learned the trick
- Ár: 1970
- Land: Germany
- Genre: Mystery, Comedy, History
- Stúdíó: Universität Bonn
- Lykilorð: amateur detective, detective story, based on short story, holmes/watson, detective with humor, detective comedy, sherlock holmes, bantering relationship
- Leikstjóri: Stefanie Hosenfeld
- Leikarar: Jan Krolikowski, Dorian Lummel
