Not really related to the poly aspect of this post, except for one throwaway line about 3 being the ideal number of that culture, but on Babylon 5 the Minbari (alien race) were originally designed to be genderless/hermaphrodites (still visible in the makeup of the original pilot) and one of the challenges for the character who (spoilers?) becomes a human/Minbari hybrid was to be adjusting to HAVING a definite gender at all. Instead we get an episode about adjusting that's still nice and mostly about haicare (the Minbari are bald) and with bonus period joke (wich I can appreciate in my lower moments), but while it's not bad, seeing the original version would have been SO much more fascinating!