32: Friday's Child
Kirk: I’d say someone was playing an elaborate trick or treat on us.
28: The City on the Edge of Forever
Spock: I am endeavouring, ma’am, to construct a mnemonic memory circuit using stone knives and bearskins.
27: Errand of Mercy
26: The Devil in the Dark
25: This Side of Paradise
24: Space Seed
Khan: I’ve gotten something else I wanted. A world to win, an empire to build.
23: A Taste of Armageddon
Kirk: Death, destruction, disease, horror. That’s what war is all about, Anan. That’s what makes it a thing to be avoided.