3-01: Spock’s Brain
Kirk and McCoy seek out to find Spock’s stolen brain before his body succumbs.
3-21: The Cloud Minders
The Enterprise travels to planet whose affluent lives in a cloud city, isolated from the horrific lifestyle of those below.
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.
3-02: The Enterprise Incident
The Enterprise is intercepted after an apparently fatigued Kirk crosses the Romulan Neutral Zone.