The Cat and the Bell(1938)

A family of starving mice try to come up with an idea to get past the cat guarding the food. After the youngest mouse trips over a bell, they come up with a plan to tie the bell to the cat's tail so they can hear when it's coming. The youngest mouse is elected to the dangerous task. After numerous attempts, the mouse finds himself running for his life. When the cat catches up, he accidentally swallows the bell, to the delight of the mice!