The mass-produced Aquarions were almost completely wiped out within the first few minutes. Glen was finally able to regain his self-awareness, but ended up blowing himself up not long after. I was kind of disappointed. I would have liked to see him survive till at least the last episode. Although it wasn’t really elaborated on, we learn about Fudou’s real identity. That answers the question of how he knew pretty much everything. Probably the most significant part of this episode is the death of Sirius. It was only a matter of time. Before his death he learns about his past life from 12000 years ago. He must have felt pretty stupid then.