The Bus Came Back: Ayerton returns for the first time since Episode 15.
Filler: Still trapped in the Island Arc, but things are finally (albeit incrementally) moving forward again.
Foreshadowing: The appearance of this mysterious island two episodes after Gargoyle mentioned a lost Holy Fortress...
Once More, with Clarity: The American flotilla's battle with the Nautilus in Episode 15's revisited as we find out what happened to Ayerton after his brief cameo in that episode and how he wound up here.
