So the idea is that Eureka fell out of some dimensional rift and wound up in some alternate reality that resembles our Earth more closely? I was a never 100% clear on the relationship between Earth and Correline (or however it was spelled) in the last series. If this is, indeed, the idea they’re going with, it would give an oddly meta quality to how Eureka (allegedly) brought all the troubles of her world (the Scub monsters, the mecha) to the poor people of Okinawa.
This episode rather explicitly lays out the notion that Ao’s destined to venture beyond his hometown in the way that basically every hero has to. However, the flavor of this particular call to adventure is markedly different than one Renton was given at the start of the first show. There, it was a matter of him simply wanting to escape sleepy suburbia and have big adventures with big people. Here, it’s because "home" is full of hostile, close-minded boors who have been trying to drive Ao out for almost all his life.
That difference makes me think about that whole saying about how “Adversity breeds character.” Ao’s being more assertive than Renton seems very much like a product of his harder upbringing… and that goes to show how shrewd and subtle Bones is about its plotting choices here. Again, nothing's stated outright, but rather effectively implied.
This show’s still taking longer to get going than I’d like, but I take trust in the notion that Bones is intentionally not giving us what we want, right away, so as to make the moment where it does come that much more cathartic. In the meantime, the sloth has got to be the cutest, lil’ comic relief pet I’ve run into in one of these shows in a long while. She’s already giving Pen-Pen a serious run for his money.