TNG s3e21 “Hollow Pursuits,” TOS s1e18 (production 19) “Arena,” s1e5 (production 4) “The Enemy Within,” and s1e1 (production 5) “The Man Trap”
Page from Ex Astris Scientia concerning similar humanoid appearance in Trek
TNG s3e21 “Hollow Pursuits,” TOS s1e18 (production 19) “Arena,” s1e5 (production 4) “The Enemy Within,” and s1e1 (production 5) “The Man Trap”
Page from Ex Astris Scientia concerning similar humanoid appearance in Trek
She’s El-Aurian, a species that lives for several centuries with some mystical timey-whimey perception that’s never really explained.