WARNING: This article contains SPOILERS for Star Trek: Prodigy season 2

Star Trek introduced non-gender-specific aliens, the Medusans, in Star Trek: The Original Series 56 years ago. Star Trek: The Next Generation brought in another species of non-gender-specific aliens 32 years ago. Zero (Angus Imrie), the young Medusan hero of Star Trek: Prodigy, continues this tradition. The cast of Star Trek: The Original Series was a trailblazing force on TV, but the franchise didn’t get a real comeback with progressive themes until the diverse cast of Star Trek: The Next Generation characters ushered in the subsequent (and iconic) 1990s era of Star Trek.

Star Trek: The Next Generation featured a species without a set gender binary in the TNG season 5 episode, “The Outcast,” which helped define the willingness of Star Trek TV shows to push the boundaries of its 1990s time period. By the time Star Trek: Prodigy came out, it was perfectly poised to take the franchise forward regarding alien species that aren’t based on human societal standards. After all, Star Trek has had genderless aliens since even before the 1990s.

Star Trek: The Next Generation Introduced the Genderless J’naii

TNG featured a short-lived romance between William Riker and a genderless alien named Soren

Star Trek: The Next Generation season 5’s “The Outcast” features an alien race called the J’naii, which is an androgynous species that finds the concept of gender offensive. The crew of the USS Enterprise-D are introduced to Soren (Melinda Culea), a young member of the J’naii. Commander William Riker (Jonathan Frakes) accompanies Soren on a mission to recover a lost J’naii shuttle, and the two quickly grow close. Soren admits to Riker that they are beginning to identify as female despite the J’naii social taboo against having one gender.

Their romance is cut short by another member of the J’naii reporting both Soren and Commander Riker to the J’naii authorities. Soren is arrested for harboring beliefs that would harm their society. Despite Soren giving one of the best Star Trek speeches calling for the acceptance of all J’naii with a gender, they are nonetheless subjected to psychotectic therapy. This “treatment” removes all traces of a single gender and, subsequently, the feelings Soren once had for Commander Riker. With “The Outcast,” Star Trek: The Next Generation challenged the human concept of gender identity and portrayed a species whose idea of gender was reversed.

Star Trek: Prodigy Season 2 Highlights Zero’s Genderless Medusan Species

Medusans stand entirely outside of gender

In Star Trek: Prodigy, Zero (Angus Imrie) represents the aliens called the Medusans. Like all Medusans, Zero is a telepathic, empathic, and non-corporeal lifeform. Zero is contained in a suit that protects onlookers from going insane by looking at their true form. Medusans have no body, no gender, and no concept of either. However, while Zero does not strive for a gender, they wish to use human senses to experience life like their friends. In Star Trek: Prodigy season 2, it’s revealed that Zero has that chance after all. Zero also sparks a close friendship with Maj’el (Michaela Dietz), a young Vulcan, which could grow into something more.

The Medusans are an alien species that are outside of gender altogether, and they are Star Trek‘s latest exploration of non-human concepts surrounding gender and identity. The J’naii were Star Trek: The Next Generation‘s inclusion of non-gender-specific aliens. Star Trek: Deep Space Nine explored the changeable identity of the Trill. Star Trek: Discovery featured openly transgender characters. Star Trek: Prodigy‘s Zero is a welcome addition to Star Trek‘s diverse list of genderless or gender-diverse characters.