In "Homer Badman", Homer proposes that the family escape their troubles by going under the sea, and then has an Imagine Spot where the family is dancing to a parody of "Under the Sea" where Homer eats the fish.
In "Make Room for Lisa", Lisa says that the movie was her favorite until Homer taped over it.
In "The Book Job", Lisa tries to get a story for a teen lit novel. She gets the idea for a story about a mermaid who falls in love with a boy on land, only to look at a Little Mermaid poster on her wall.
In the American Dad! episode "Francine's Flashback", Stan calls in the Air Force to bomb the ocean so he and his CIA buddies can catch fish. A dead mermaid surfaces and Stan identifies her as Ariel.
In an episode of The Grim Adventures of Billy & Mandy, Billy gets sucked under the ocean and meets a raggae-singing crab named Ziggy, who performs "Under the Ocean". After the song, Billy eats him and gets a cramp from the inside as a result.