You're looking for information on Snowpiercer, a popular TV series. Here are some useful details:

The series takes place in a frozen post-apocalyptic world where an experiment gone wrong has created an eternal winter, causing the extinction of most life on Earth. The survivors live on a massive train called Snowpiercer, which perpetually circles the globe. The train is divided into sections, with the wealthy and powerful living in luxury at the front of the train, while the poor and marginalized are relegated to the tail sections.

Snowpiercer has currently 3 seasons, with a total of 30 episodes.

Snowpiercer is a post-apocalyptic science fiction TV series based on the 2013 film of the same name, which was inspired by the 1982 graphic novel "Le Transperceneige" by Jacques Lob and Jean Giraud.