Folken's disgrace and presumed death are first mentioned by Balgus.
The Blood Pact Van makes with Escaflowne. This won't be seen with subsequent Guymelefs, hinting that Escaflowne isn't a standard mecha (and what's so different about Ispano Guymelefs).
Trapped in Another World: Hitomi is now stranded on Gaea, as neither she or Van understand how (or why) the Pillar of Light activated in the previous episode.