The Master Detective (German: Der Meisterdetektiv) is a 1933 German comedy crime film directed by Franz Seitz and starring Weiß Ferdl, Ery Bos and Hans Stüwe.

The film's sets were designed by the art director Max Seefelder.

A snooping busybody considers himself a great investigator.

When his niece acquires a new boyfriend he decides to check out his background.

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