The film 'Buck Rogers in the 25th Century' focuses on a 20th-century astronaut's adventures in the future. It does not include any discernible LGBTQ+ characters or themes, resulting in no portrayal to evaluate.

The film "Buck Rogers in the 25th Century" does not feature any identifiable transsexual characters or themes. Its plot centers on a 20th-century astronaut awakening in the 25th century and engaging in futuristic adventures, with no narrative elements related to transsexual identity.

While female characters like Colonel Wilma Deering are active and competent in combat situations, their victories are primarily achieved through the use of futuristic firearms and piloting skills. There are no clear instances of a female character defeating one or more male opponents in direct, close-quarters physical combat.

The 1979 film adaptation of Buck Rogers maintains the established genders for its core characters, such as Buck Rogers, Wilma Deering, and Dr. Huer, consistent with their original comic strip and novella portrayals. No significant legacy characters underwent a gender change.

The 1979 film adaptation of Buck Rogers portrays its core characters, including Buck Rogers and Wilma Deering, with the same racial depictions as established in the original comic strips and prior serials. No character's race was changed from their established canon.