These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Ear Worm: The clock-chime melody Yukito used to lure the Giganoid away in episode 5 was pretty catchy. Although when you consider the Giganoid's actual reaction to it...
Ending Fatigue: Both episodes 47 and 48 have fairly dramatic narrative resolutions, with 47 featuring the fulfillment of a prophecy involving the Big Bad and 48 having an epic giant Mecha fight against two powerful enemies and the Heroic Sacrifice of Abarekiller. And then there are still two more episodes to go.