This Doraemon film is a children's adventure story centered on friendship and discovery. It does not feature any identifiable LGBTQ+ characters, themes, or plotlines, resulting in no portrayal to evaluate.

The film "Doraemon: Nobita and the Knights on Dinosaurs" does not feature any identifiable transsexual characters or themes. The narrative focuses on a fantasy adventure involving dinosaurs and an underground world, with no elements related to gender identity or expression.

The film features Shizuka Minamoto as the primary female character. While she participates in the adventure, there are no scenes depicting her or any other female character engaging in or winning direct physical combat against male opponents through skill, strength, or martial arts.

The film features the established Doraemon characters, all of whom retain their canonical genders. New characters introduced for this specific movie do not constitute gender swaps, as they lack prior canonical gender definitions.

The film features established Japanese characters from the Doraemon franchise, who are consistently portrayed as Japanese in this 1987 animated movie, aligning with their original depictions. No characters canonically established as one race are depicted as a different race.