Ep 22. Cogenitor

In Star Trek: Enterprise season 2 episode 22 titled "Cogenitor," Captain Archer and his crew of the Enterprise encounter a species known as the Vissians, who have three genders - male, female, and cogenitor. Cogenitors are a third gender that are responsible for fertilizing the eggs of the other two genders and are treated as a lower class.

When one of the Vissian crew members, Drennik, requests asylum on the Enterprise, Archer agrees to investigate the situation further. During their investigation, Archer and his crew learn about the mistreatment and exploitation of cogenitors and become increasingly disturbed by the Vissian's lack of empathy towards them.

As the situation progresses, Trip Tucker, one of the Enterprise's engineers, forms a relationship with one of the cogenitors and begins questioning the morality of their treatment. Meanwhile, the Vissians become increasingly frustrated with the Enterprise's interference and begin pressuring Archer to return the cogenitor to them.

As tensions rise, Archer is forced to make a decision about the fate of the cogenitor and the ethical dilemma surrounding their treatment. The episode concludes with a powerful message about empathy and the importance of treating all individuals with respect and dignity, regardless of their gender or station in life.

"Cogenitor" is a thought-provoking episode that explores complex social issues and encourages viewers to reflect upon their own beliefs and values. The episode is notable for its nuanced and multi-dimensional characters, who are portrayed in a way that is both relatable and thought-provoking. The episode is also praised for its excellent writing and direction, which effectively convey the emotional and ethical complexities of the storyline. Overall, "Cogenitor" is a standout episode in the Star Trek franchise that is sure to leave a lasting impact on viewers.