How Watson learned the trick
- Annu: 1970
- Paese: Germany
- Genre: Mystery, Comedy, History
- Studio: Universität Bonn
- Parolla chjave: amateur detective, detective story, based on short story, holmes/watson, detective with humor, detective comedy, sherlock holmes, bantering relationship
- Direttore: Stefanie Hosenfeld
- Cast: Jan Krolikowski, Dorian Lummel
