I could not think of truer words.

[Webmind nods, as the end-then-beginning credits play. He hums in tune with the theme song, this time.]

... I believe this episode introduces more backstory for the train - not that it is consistent with later seasons.

[But hey, what show is perfect? And apart from featuring other voidcraft, this show is otherwise rather formula in its 'introduce people->problem->complexity->solution' cartoon plotting.]