Little Nemo: Adventures in Slumberland (1989)

Three characters set their clothes out to dry in one scene and at first it seem they were wearing nothing, but it turns out that their bodies are covered with giant cotton ball like suits. Another scene shows a character pressed against a woman's chest during a dance class, but there's nothing too sexual about it.

A nightmare creature gets cut up in one scene, as well as another scene where a whole bunch of nightmare creatures get suck into a blackhole like vaccum. Nothing else was too violent about the film.

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Flip smokes a cigar.

Nightmare land has a dark and creepy aesthetic, and some of its creatures have glowing red eyes and might frighten younger viewers.