An inebriated stork, tasked with delivering a baby gorilla in the jungle, loses the infant during a break. Fearing repercussions, the stork seeks a replacement and spots Bugs Bunny roasting a carrot and singing. He incapacitates Bugs, dresses him in baby clothes, and delivers him to the gorilla parents.
Initially delighted, the gorilla parents, "Mama" and Elvis, are horrified upon seeing the "baby." Elvis attempts to eliminate the "ugly" baby, but Mama intervenes, insisting they accept him, no matter what he looks like. Upon regaining consciousness, Bugs realizes his predicament and while Mama immediately loves her new "baby", Elvis doesn't, roaring at Bugs when Mama attempts to get him to kiss him. Faking crying, which results in Mama hitting Elvis with a rolling pin as punishment, Bugs decides to manipulate the situation for his own amusement. Bugs then proceeds to make Elvis's life miserable, knowing Elvis cannot retaliate without facing Mama's wrath and her rolling pin. Eventually though, the stork arrives with the real baby gorilla, revealing the charade and horrifying Bugs as he now knows the jig is up. Elvis, eager for revenge, chases after Bugs with murderous intent. As Elvis prepares to drop a boulder on Bugs from a cliff, the bunny runs off and Mama unwittingly enters the danger zone, resulting in her being struck by the boulder instead. Elvis is left speechless and sobbing before Mama soundly thrashes him offscreen, much to Bugs’ amusement ("I'd like to see him 'eeh-ooh-aah-ooh' and 'but' his way outta this one!")
Suddenly, the drunken stork mistakenly congratulates Bugs on becoming a mother and hands him a bundle containing Daffy Duck, who, dressed as a baby and sporting a lump on his head which suggests a parallel to him and Bugs, calls Bugs "mummy" and kisses a disgruntled Bugs as the cartoon ends.
^Beck, Jerry; Friedwald, Will (1989). Looney Tunes and Merrie Melodies: A Complete Illustrated Guide to the Warner Bros. Cartoons. Henry Holt and Co. p. 315. ISBN0-8050-0894-2.