The Lucy Show

 
Series aired: 1962 - 1968
Video from Internet Archive
 
Primetime TV  
 

Lucy, the Bean Queen

Season 5, Episode 3
September 26, 1966
 
Lucy schemes to earn money after seeing an ad for baked beans with a "double your money back" guarantee. She and Mary Jane buy up cases of the beans with the plan of returning them, doubling their investment.  
The Lucy Show
Available on DVD