Mr. Dithers invites the Bumsteads on a South American cruise. Somehow Dagwood winds up as the female drummer in the ship's band, while Penny Singleton gets to show off her Broadway background in some lively musical numbers.

Directed by: Frank R. Strayer & Robert Sparks
Written by: Richard Flournoy & Karen DeWolf
Runtime: 72 minutes
Tagline: Where there's a Bumstead...there's always trouble and fun!
Related titles:
Cast:
Penny Singleton Penny Singleton
Blondie Bumstead 
Arthur Lake Arthur Lake
Dagwood " Dag " Bumstead 
Larry Simms Larry Simms
Alexander Bumstead 
Daisy Daisy
Daisy 
Ruth Terry Ruth Terry
Singer 
Danny Mummert Danny Mummert
Alvin Fuddle