The Spy Swatter is a 1967 animated short featuring Daffy Duck

Daffy Duck

Daffy Duck is an animated cartoon character in the Warner Bros. Looney Tunes and Merrie Melodies series of cartoons, often running the gamut between being the best friend and sometimes arch-rival of Bugs Bunny...

 and Speedy Gonzales

Speedy Gonzales

Speedy Gonzales is an animated caricature of a mouse in the Warner Brothers Looney Tunes and Merrie Melodies series of cartoons. He is portrayed as "The Fastest Mouse in all Mexico" with his major traits being the ability to run extremely fast and speaking with an exaggerated Mexican accent...

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Plot

A secret strength formula for mice has been developed, and Speedy is tasked with getting it to the Mouse Factory. Unfortunately, Daffy has been sent by a rival agency to stop him. Daffy uses a variety of inventions to cut the mouse off or nab him, all of which somehow backfire on him, or Speedy outwits him. The final plan, a mouse-seeking missile, is changed by Speedy to a duck-seeking missile; Daffy frantically returns to his base and it blows up there. Speedy pops in the door, "I want to tell you a secret. Us good guys always win!"

Censorship

• On CBS, the following parts are cut:
  • Daffy crashing his car into a telephone pole and getting electrocuted by a falling wire.
  • Daffy and his boss getting blown up by the mouse-seeking missile.