This animated musical, based on the beloved Peanuts characters, focuses on the adventures and musings of Snoopy and his friends. There are no discernible LGBTQ+ characters, relationships, or themes present in the film's storyline or character arcs, resulting in no depiction of such content.

Snoopy: The Musical, based on the Peanuts comic strip, does not feature any identifiable transsexual characters or themes. The narrative focuses on the daily lives and philosophical musings of the Peanuts gang, with no elements related to transgender identity present in the story.

The movie does not contain any action or adventure elements.

The film adapts characters from the "Peanuts" comic strip and the original musical. All established characters, such as Snoopy, Charlie Brown, Lucy, and Linus, maintain their canonical genders as portrayed in the source material.

The animated characters in "Snoopy: The Musical" (1988) maintain their long-established visual appearances from the "Peanuts" comic strip and prior animated specials, with no changes to their depicted race.