Firefly (2002–2003)

Firefly does not feature any explicit LGBTQ+ characters or storylines. While some viewers may interpret subtext, the show's narrative does not overtly address queer identities or themes, resulting in no identifiable portrayal.

Firefly is an original science fiction series, not an adaptation or reboot of pre-existing material. All characters were created specifically for this show, meaning there is no prior canonical or historical gender to compare against their on-screen portrayal. Therefore, no gender swaps occurred.

Firefly is an original television series, meaning all its characters were created for and first established within the show itself. There is no prior source material or historical record from which characters' races could have been canonically or widely established and subsequently changed.