A mysterious plague is killing off all plant life, and the Indians in the area are becoming restless. Jim and Artie are sent to investigate, and find themselves up against…

While exploring the edge of the galaxy, the Enterprise encounters an energy barrier that gives two crewmen godlike powers.

On the day an unpopular idealist is to be executed for the killing of a racist bully, the townsfolk are shocked to see the skies have turned pitch black.