
Gay marriage and polygamy were the rule on Eminiar Seven.

KIRK: Bones?
BONES: (O.C.): It's the Happy Helmet Hair! And this is the remote control.
KIRK: Why, you sick little monkey. I oughta--
<BZZZZT>
SPOCK: Soooo......Happy.....ironing....for....Mc...Coy!!!

UHURA: Spock! Mister... Oh, Doctor, I've just seen him!
MCCOY: Of course you have, Uhura. We would all like to.
UHURA: Believe me, I did see him. I did. Spock! Mister Spock!
MCCOY: We're going to Sickbay.
UHURA: Doctor. Doctor, I'm not going mad. I did...I did talk to Dr. King!
(she faints)