Infinity Train: Season 4

2021 · 10 episodes · ★ 9.3

Book Four: Duet

What Season 4 of Infinity Train

Childhood friends with opposing personalities, Mingi and Ryan, dream of becoming rock stars but find themselves on the Infinity Train. They explore the locomotive's inner puzzles — and their own relationship — in order to return home, together.

10episodes

Apr 15, 2021premiered

1.8 hrtotal runtime

Season 4 Episodes

4x01 The Twin Tapes
Apr 15, 2021 · 11 min
Once great friends, Ryan and Min-Gi's relationship slowly dissolves over the course of years of disgruntlement, culminating with their reunion in the restaurant.
4x02 The Iceberg Car
Apr 15, 2021 · 11 min
Waking up on the train together, Ryan and Min-Gi are met by Kez, whose mistake has left the boys in a predicament.
4x03 The Old West Car
Apr 15, 2021 · 11 min
Arriving in a Wild West town, Ryan, Min-Gi, and Kez attempt to escape the locals.
4x04 The Pig Baby Car
Apr 15, 2021 · 11 min
Ryan and Min-Gi are forced to satisfy Pig Baby with the perfect dessert.
4x05 The Astro Queue Car
Apr 15, 2021 · 11 min
With a growing rift forming between them, Ryan and Min-Gi attempt to convince a bouncer to let them enter the rave.
4x06 The Party Car
Apr 15, 2021 · 11 min
With their instruments back, Ryan and Min-Gi have to play their first show since they were kids, but it's no easy emotional feat.
4x07 The Art Gallery Car
Apr 15, 2021 · 11 min
The boys' disintegrating relationship finally comes to a head when they end up in a haunted art museum with seemingly no exit.
4x08 The Mega Maze Car
Apr 15, 2021 · 11 min
As the duo nears Kez's home, they are forced to contend both with all their enemies and their messy relationship.
4x09 The Castle Car
Apr 15, 2021 · 11 min
Having finally arrived at Kez's home, Ryan and Min-Gi learn of her biggest secret and regret.
4x10 The Train to Nowhere Season Finale
Apr 15, 2021 · 11 min
Ryan and Min-Gi are forced to face the truth and a final challenge if they ever want to go home.