One of a few Popeye cartoons incorrectly dated MCMXL , rather than MCMLX.
One of the few times Olive is seen in a completely different depiction (overweight). At the time, reducing machines, plans and foods were popular, as ordinary women sought to achieve the supposed perfection different by Hollywood stars. In 2023, not much has (sadly) changed.
Brutus is called by name in this episode. His appearance has become scruffier and less athletic, too, more in keeping with being a villain rather than a friendly enemy.
As befits the decade, the background is drawn less stylized and more abstract, in keeping with modern design trends.