
Peace at Any Cost? Star Trek TOS, S1Ep10, "The Corbomite Maneuver"
Weird children is an apparently common theme in TOS.

Alexander is a Terrible, Horrible, No Good, Very Bad Kid
Man, that invisible castle thing? You got lazy and didn’t draw a picture, didn’t you, and now you’re upset ‘cause the teacher liked an actual picture better than your blank page? If you’re gonna be a jerk about drawing time, at least have the courage of your convictions to stand by your BS move and not act like you weren’t trying to be clever and lazy. And what have you got against sixteen, mister?