Three Pests in a Mess is a 1945 short subject written and directed by Del Lord starring American slapstick comedy team The Three Stooges (Moe Howard, Larry Fine and Curly Howard). It is the 83rd entry in the series released by Columbia Pictures starring the comedians, who released 190 shorts for the studio between 1934 and 1959.

Plot

The Stooges endeavor to secure a patent for their fly-catching invention. Unbeknownst to them, their conversation regarding the need to capture 100,000 flies to obtain the patent is overheard by a group of nefarious individuals residing across the hallway.