Haven't seen any post yet and I only just now finished watching the two episodes. Watch out for spoilers if you haven't seen them yet!
It is quite a different tone than Adventure Time still, like the intro music is more spooky/weird than the happy tune in AT.
Also wondering if more from the Distant Lands series pops up, like the dome world in space from the BMO episode.
Love me some new Prismo though, too bad he has not been having a good time recently.
Finn's behavior and winkiness is becoming more and more like Martin