While Popeye and his nephews enjoy a picnic, the boys are disgusted to taste that their sandwiches are filled with spinach, so Popeye proceeds to tell them that he also once disliked the vegetable - until it saved his life. In the ensuing flashback, Popeye's mother sends the young(er) protagonist to sell their old jalopy in order to get food, but Popeye is only paid a can of spinach for it. When his angry mother throws the can to the ground, a gigantic spinach-stalk sprouts from it, then Popeye climbs it to explore the heavens. Up there, he finds a giant living in a castle on the clouds. The monster owns a golden egg-laying hen, which is forced to work extra hard. When Popeye tries to rescue the bird, the giant blows him out of the castle, yet he lands into a magically-grown can atop the spinach-stalk. Strengthened, he attacks the giant, whose attempts to swallow, squish and snatch him only end with the colossus thrown out of the castle and to the Earth far below, crashing with a great explosion. As Popeye finishes his story, he and his nephews see that the battered giant still inhabits a hole nearby. The boys eagerly devour their sandwiches.
- Although Popeye's mother appears in this cartoon, this is a fanciful story which is mostly at odds with other accounts of hers and Popeye's life.
- Let's Stalk Spinach at the Internet Movie Database