This article is about the train. Did you mean the Pilot, or the series itself?

The Infinity Train is the main setting of the series of the same name.


While it appears as a regular train on the outside, it is actually of infinite length. Inside of its many boxcars, practically anything conceivable can be found, whether it be puzzles, objects, or even entire worlds. According to Owen Dennis, it is around 5 stories tall.[1]


In the Pilot, the train is seen traveling through an unknown desert. It is revealed that Tulip has already spent a full week on the Infinity Train, but the events leading to her boarding are unknown.

Train Cars

These are the cars that are attached to the train and have been shown/mentioned in the show.

Known Cars

Episode Name Picture Status Note
Pilot Bubble Car
Bubble car
Briefly seen
Chess Car
Tumblr og4zes7pgy1refa3lo4 1280
Briefly seen
Puzzle Car
Tumblr og4zes7pgy1refa3lo5 1280
Story setting
Two Unknown Cars  Mentioned only After exiting the Puzzle Car, it is revealed, that One-One speculated previous five cars to be fart cars. Three of those mentioned cars are known. (Bubble Car, Chess Car, and the Puzzle Car)
Fart Car
Fart car
Corgi Car
Story setting

Possible/Unknown Cars

These are the cars that were not shown to be real, but instead were suggested in the show. Should the Infinity Train be truly infinite, the existence of these cars is guaranteed:

Episode Name Status Note
Pilot Burp Car un-seen Made up by One-One.
Pizzeria Car  un-seen Made up by Tulip



The proposed ouroboros-infinity insignia of the train.

  • In the early art of drawing the train, each car was supposed to be stamped with the train's insignia but was removed in the Pilot. The symbol was an Ouroboros fashioned into the infinity symbol with a waning gibbous moon above it (the moon is red and the shadow on it is black; inversely, it could also be a waxing crescent).
    • The infinity symbol is a mathematical symbol used to show the concept of infinity. The Ouroboros (a snake/serpent eating its own tail; usually drawn as a circle) is an ancient symbol used to depict continuity, cycles, and infinity.


  1. Why doesn't tulip just jump off The train before going through a door?

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