When does Infinity Train return?

The series is set on a gigantic, mysterious and seemingly endless train traveling through a barren landscape. The cars of the train contain a variety of bizarre and fantastical environments. Passengers on the train proceed from car to car by completing challenges which help them resolve their psychological trauma and emotional issues. The pilot for the series was released by Cartoon Network on November 1, 2016, before being picked-up for a full miniseries due to positive reception. All four seasons of Infinity Train have received critical acclaim for their complex themes and characters.