Baby Dumpling, the six-year-old son of Blondie and Dagwood Bumstead disappears from sight during his first day at school. While Dagwood frantically combs the city in search of the boy, Baby Dumpling spents a nice, safe afternoon with poor little rich girl Melinda Mason, who with her new playmate's help arises from her sickbed to walk across the room for the first time in months.

Penny Singleton
as Blondie Bumstead

Arthur Lake
as Dagwood " Dag " Bumstead

Larry Simms
as Alexander " Baby " Bumstead

Daisy
as Daisy

Danny Mummert
as Alvin Fuddle

Jonathan Hale
as J.C. Dithers

Robert Middlemass
as Abner Cartwright

Olin Howland
as Encyclopedia Salesman

Fay Helm
as Mrs. Fuddle

Peggy Ann Garner
as Melinda Mason
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This was a very enjoyable entry of the series for me, as Blondie, hoodwinked by a salesman of questionable integrity that her son Baby Dumpling has a genius I.Q., instantly tries to enlist him in Grade 3 of the local school. It sports a very touching ending in which the boy befriends a rich, trouble...