Dick Geary

The people of Stratos City look down on the earthbound slaves who work their mines. Appalled by their callous exploitation of their compatriots, Kirk risks his life to make both rulers and revolutionaries see reason.

Special security measures are in force for the visit of a Medusan ambassador - because any human who sees them would be struck blind. However, Spock is fascinated by the possibility of a dangerous mind-link with the alien.

In an effort to repopulate their dying planet, the Scalosians hijack the Enterprise and intend to use the male crew members as their progenitors.

Kirk and Spock go on a mercy mission when they beam down onto a planet to take medical supplies to an asylum. However, they fall into the hands of Garth, a demented inhabitant who has the power to change his form and who possesses the ultimate explosive.