How to Be a Detective (1952)

Goofy is hired to solve a mystery of a missing "Al." He searches the city for clues, but constantly runs into a city sheriff (who is portrayed by Pete) who tells him to let the police handle it. A car chase occurs and the drivers ram into a haystack. It turns out that Al is actually the city sheriff who is supposed to get married to the woman who hires Goofy to find him.