剧情

When the Enterprise attempts to penetrate a space barrier, it is damaged and creates a potentially worse problem. Two crew members, including Kirk's best friend, gain psionic powers that are growing at a geometric rate. That leaves Captain Kirk with the difficult choice of either marooning them or killing before they get so powerful that they lose their humanity and become truly dangerous. Written by Kenneth Chisholm The starship USS Enterprise, commanded by Captain James Kirk, attempts to leave the galaxy but runs into an energy barrier and is seriously damaged. The accident causes Kirk's friend Gary Mitchell to develop superhuman psychic powers and attack the crew. Only Kirk can stop him. Written by Eric Sorensen