Mysteries of Chinatown is a US crime drama featuring the exploits of the
Chinese-American trader Dr Yat Fu (Marvin Miller), a herb and curio
shop owner and amateur detective in San Francisco's Chinatown district.
Dr Yat Fu solves crimes with occasional help from his niece Ah Toy
(Gloria Saunders). The series was originally produced by ABC and is
filmed in black and white. It ran for a single season of 48 episodes
between December 1949 and October 1950.