A lot of good work is evident in "A Private Little War," in which a primitive world on which Kirk once studied has experienced a sudden, unnatural advancement in technology. One side has received firearms which they can't possibly have built. A closer survey reveals that the Klingons have delivered weapons to a set of villagers who have opened attack on their neighbors. Kirk comes to the conclusion that arming the other side with equal weaponry may be the only choice to save them from annihilation. Meanwhile, Kirk finds himself under the spell of Nona (Nancy Kovak), who saved Kirk's life and now hopes he will repay her by arming the village with superior weapons.
This episode sometimes serves as an explicit Vietnam commentary, going so far as to mention the war specifically when Kirk and McCoy discuss the morality of Kirk's plan for armament. Meanwhile, Spock's life hangs in the balance aboard the Enterprise after having been shot on the planet surface. There are a lot of pieces to this episode—perhaps too many (Nona's bizarre spell coming across as the most unnecessary). The episode sometimes lacks focus, but the implications of the ending are too interesting to be ignored. The eruption of violence provides an indictment of an entire situation that has lost control, where placing blame is merely pointless. Even so, Kirk's actions lack personal consequences and the ending wraps too quickly. The underlying meaning contains intelligence, but the story's pursuit of its questions is shaky.