Infinity Train Season Idea

My take on an Infinity Train season.

Synopsis
When a self-absorbed teenage girl gets whisked on board the Infinity Train as she tries to TBD.

Voice cast

 * Ashley Johnson as Crystal - a self-absorbed teenager who TBD.
 * TBD as Seamus - a somewhat friendly leprechaun who joins Crystal TBD.
 * [to keep the Subceleb thing] as J.P. Swanson - a capitalist swan who joins Crystal TBD.
 * David Tennant as The Engineer - a mysterious android who is obsessed with perfection turning passengers into mindless machines TBD.

Episodes

 * 1) The Rainbow Car - TBD
 * TBD
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 * 1) The Perfect Car - TBD

Trivia

 * This season is confirmed to take a step back and tell a new story with little connection to the first two seasons.
 * The season adds five more episodes.
 * Crystal is purposely meant to be the opposite of the protagonists of Seasons 1 and 2, emphasized by the fact Ashley Johnson (who voiced Tulip Olsen and Mirror Tulip/Lake) voices her.