The classic mystery series 'Hart to Hart' focused on the glamorous, heterosexual couple Jonathan and Jennifer Hart. Consistent with mainstream television of its era (1979-1984), the show did not include any identifiable LGBTQ+ characters or explore related themes, resulting in no depiction of queer identity throughout its run.

The television series "Hart to Hart" does not feature any identifiable transsexual characters or themes. The narrative focuses on the mystery-solving adventures of a wealthy couple, and there are no plot points or character arcs related to transgender identity.

The show primarily features Jennifer Hart as an intelligent and resourceful character, but her role in action sequences typically involves using her wit or being rescued by her husband, Jonathan. There are no clear instances of her or any other female character engaging in and winning direct physical combat against male opponents.

Hart to Hart is an original television series that premiered in 1979. Its main characters were created for the show and were not adapted from any prior source material, historical record, or previous installments where their gender was established differently. Therefore, no gender swaps occurred.

Hart to Hart is an original television series that premiered in 1979. Its main characters were created for the show, establishing their races within this original production. There is no prior source material or historical record from which characters could have been race-swapped.