A lost baby woodpecker, that believes Jerry is its mother, does everything it can to save the mouse from Tom, who is once again in pursuit. A CinemaScope remake of the 1949 Tom and Jerry cartoon Hatch Up Your Troubles.
Tom steals an egg from a mother duck's nest, but soon the resultant hatchling runs away from the cat and into a mouse hole, where it finds an able protector in Jerry.
Foghorn Leghorn is sound asleep when the barnyard dog places an ostrich egg beside him for a gag. When Foghorn awakes and sees the egg...
On Old MacDonald's farm, an egg hatches in slow-witted hen Miss Prissy's nest, and out of the shell comes a baby rooster. Fearing he will be replaced by the new arrival and sent to be slaughtered, Foghorn Leghorn plots to do away with the tyke.
Sniffles the mouse and his friend the Bookworm decide to take up egg collecting, setting their eyes upon a big barn owl egg. But the big barn owl isn't so hot on the idea.
A hen's chicks hatch, but one of them is actually an ostrich. She treats it as her own, but the ostrich keeps getting into trouble.
A drunken stork comes to the home of Mr. and Mrs. Daffy Duck with a bundle of joy, but Daffy wants no part of the delivery and takes extreme measures to keep the stork away.
A chicken has hatched seven chicks. She locates six of them, but the other, Eggbert, is missing.
A duck struggles mightily and finally hatches her eggs in the bitter cold. All but one, that is: poor little Robespierre. Mama doesn't notice him missing until after he has sprouted legs and run off in search of warmth.