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.
3-23: All Our Yesterdays
On the eve of a world's complete destruction, Kirk, Spock, and McCoy become trapped in the planet’s distant past.