To be fair in this situation they could've likely resolved the threat of the Ceti eel by sticking a jar on top of it, they didn't have to bring out the ray guns.
But Kirk was in a crisis situation, stuck in a cave with a creature possessing unknown capabilities that just led to the deaths of two people right in front of him, so I can forgive him for removing it from the equation permanently.
But Kirk was in a crisis situation, stuck in a cave with a creature possessing unknown capabilities that just led to the deaths of two people right in front of him, so I can forgive him for removing it from the equation permanently.