Where's Officer Tuba? is a 1986 Hong Kong action comedy film directed by Philip Chan and Ricky Lau. The screenplay was written by Barry Wong, and starring Sammo Hung, who also produced the film. The film co-stars Jacky Cheung, David Chiang, and Joey Wong. The film was later remade as Look Out, Officer! in 1990 starring Stephen Chow.

Plot

Police Officer Tuba is a timid man who would rather play in the police band than get involved in any real police work. The precincts' most decorated officer, Sergeant Rambo Chow, decides to use Tuba in an undercover operation that goes disastrously wrong when Chow is killed. He makes Tuba promise to get the criminals to avenge him before he dies, and Tuba reluctantly agrees but does not really intend to keep his promise.