A noisy cat is preventing Betty Boop from getting any sleep at night. When Betty asks the cat to be quiet, it replies “not ne-ow”. Pudgy tries to chase the cat away, and after much trouble, he seemingly succeeds . . . until all the cats in the neighborhood appear outside Betty’s window.

Tom and Jerry (the human versions, not the cat and mouse) work as piano tuners. After seeing them at work and several creative ways of tuning a piano (such as removing the offending key and cutting the key itself to a shorter length), the two attend an opera singers performance.

Popeye the Sailor snores while he sleeps, which disturbs Mouse, who is also trying to sleep. A war breaks out between Popeye and Mouse which Mouse eventually wins.

City mouse Herman helps country mice get rid of the big bad cat.

Mr. Bang is a bundle of nerves and is advised by a doctor to go down to the seashore and relax.

Felix has trouble catching fish on his own, so he tries to steal some. The shop owner throws a can at Felix and gives him an idea: go to Alaska, where the fish are plentiful and large, and try to catch some there.