Toony's favorite subjects in school were "fish-tory", "sea-ography", and "fish-ical education".
Preliminary listings for this episode included Bowery Bugs (1949) among the featured cartoons, but the actual lineup featured the Tom & Jerry cartoon The Flying Sorceress (1956) instead.
At the time this episode was broadcast, The Gay Anties (1947) had not yet been released on Blu-ray or DVD in the United States, though it was available in a restored print on the HBO Max streaming service.