3-04: And the Children Shall Lead
The Enterprise rescues a group of children, the only survivors of a Federation outpost, who are being controlled by an alien being.
3-22: The Savage Curtain
Kirk and Spock are forced into combat among some of history's most prominent individuals, including President Lincoln, Surak, and Kahless.
3-02: The Enterprise Incident
The Enterprise is intercepted after an apparently fatigued Kirk crosses the Romulan Neutral Zone.