This film does not feature any identifiable LGBTQ+ characters or themes. The narrative centers on the main characters' adventure to prevent an ice age, without incorporating any elements related to queer identity or experiences.

The film 'Phineas and Ferb Save Summer' does not feature any identifiable transsexual characters or themes. Its narrative focuses on the established characters and their summer adventures, without engaging with transgender identity or related issues.

The film does not feature any scenes where a female character engages in and wins direct physical combat against one or more male opponents. Female characters primarily contribute through problem-solving, assistance with inventions, or comedic attempts to expose their brothers' activities, rather than physical confrontations.

This special episode features the established characters from the "Phineas and Ferb" animated series. All characters maintain their canonical genders as depicted throughout the show, with no instances of a character established as one gender being portrayed as another.

This animated film is a direct continuation of the Phineas and Ferb animated series. All established characters maintain their original visual designs and racial depictions from the source material, with no instances of a character's race being altered.