So I’m trying to figure out the point of this episode and so far, it looks like the only suspicious piece is that part at the end where Shio mentions that she saw in the crew’s memories that the ship Musashi encountered the invaders when it sunk in 1945. If I remember correctly, the invaders were introduced as having arrived fairly recently, so that would be an odd timeline. Hopefully that comes up later. It would be more interesting.
These previews make it pretty impossible to figure out what’s going to happen in the next week. The fact that they’re underwater may have something to do with the ship sinking this week. Maybe there were survivors. There’s also a brief scene that looks like Shio is stranded on an island. Not sure how much I should make of that. Also, wasn’t there a girl that Shio was fighting for or something? When’s she going to have a role?