"Requiem for Methuselah" for the scene at the end with Kirk and Spock, with Kirk lamenting being a "lonely young man" and Spock compassionately "removing" Kirk's mental pain over losing Rayna.
THE PARADISE SYNDROME
AND THE CHILDREN SHALL LEAD
ELAAN OF TROYIUS
THAT WHICH SURVIVES
THE LIGHTS OF ZETAR
THE CLOUD MINDERS
THE PARADISE SYNDROME
AND THE CHILDREN SHALL LEAD
ELAAN OF TROYIUS
THAT WHICH SURVIVES
THE LIGHTS OF ZETAR
THE CLOUD MINDERS