The Bullwinkle Show - Season 2 Episode 82 : Aesop and Son - The Cat and the Fifteen Mice 1963

A cat arrives at a house full of mice and begins to hunt them down. The mice hold a meeting to devise a plan for their safety, deciding that a bell should be hung around the cat's neck so they can hear it coming. However, no mouse is willing to take on the dangerous task of actually putting the bell on the cat.