The interior of the high school from the TV series Saved by the Bell (1989) is used for the high school sequence during the dream of this episode.
Lena when turned into a Wolf resembles that of the Titular Wolf from the "Peter and the Wolf" segment of Make Mine Music (1946).
Phooey (the hypothetical fourth triplet mentioned in What Ever Happened to Donald Duck?! (2019)) makes an appearance in the montage. His signature color is yellow/gold, which was a color often used for Huey, Dewey and/or Louie before the original DuckTales (1987) established their "official" colors.
Louie when turned into a Lazy Non-Anthropomorphic Cat resembles the character Garfield, a lazy orange tabby from Garfield and Friends (1988) and the live action films based off it.
In the original comics/television series, Killmotor Hill was the site of Scrooge's money bin. In the rebooted series, the bin is on an island, so the site is used instead for Scrooge's mansion.