Cogenitor

Cogenitor

Available on Paramount+, Prime Video
S2 E22: The Enterprise crew makes first contact with the Vissians, a species with three genders. When Trip meets one of the species' third gender, known as Cogenitor, he is disturbed to learn that all cogenitors are treated extremely poorly.
Starring Andreas Katsulas, Becky Wahlstrom, F.J. Rio