After Spock's death, his body has been left behind on the Genesis planet. Meanwhile Dr. McCoy, who is harboring Spock's living essence, is going insane. The Enterprise races back to restore Spock to life and save the planet from the Klingons.

Based on "Star Trek" created by Gene Roddenberry. Special features on both Disc1 & 2: theatrical trailer; storyboards; commentary; interviews, on speaking Klingon, and terraforming.

Disc 1. Feature -- Disc 2. Special features.