Sheldon, Leonard, and Howard visit a classroom in an attempt to encourage young women to pursue a career in the Sciences. They fail to gain the class' interest, partially because they don't introduce the Sciences in a way that resonates with the students.
Basil tries to tell Manuel that there is too much butter on the trays he is bringing to the guests, but Manuel does not understand English. Basil tries to communicate with Manuel in Spanish, but Basil hardly knows how to speak it. During the conversation, Basil learns how to say "donkey" ("burro") in Spanish, and Manuel learns how to say "mantequilla" ("butter") in English.
The town of Springfield starts enforcing prohibition after recent events involving alcohol are deemed poor examples for the children. Moe establishes a speakeasy under the moniker of a pet shop to circumvent law.
King Arthur and his servant, Patsy, encounter a castle guard while searching for knights to join them on their quest. As the conversation progresses, the guard ignores the King's original request to speak with his master and diverts the discussion to be about flaws in the King's statements, including how a swallow can carry a coconut.
During Prohibition in Springfield, Homer fills a bowling ball with beer and rolls it down the gutter. The ball makes its way down to a secret speakeasy, where Moe retrieves the beer and charges Barney an absurd price for it. Moe then sends Homer the through the same bowling ball. This clip represents the amorality of American capitalist values, as Homer and Moe's practices benefit themselves but hurt many others with their high prices.