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Season guide

Infinity Train: Season 3

10 episodes Premiered Aug 13, 2020 Updated Sep 21, 2026

Infinity Train Season 3 continues the overarching saga across 10 episodes.

Previously on Infinity Train

Season 3 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • Picks up essential narrative continuity directly following the events of Infinity Train Season 2.
  • Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.

Season overview

Infinity Train Season 3 continues the overarching saga across 10 episodes.

Season 3 Episodes

Episode Guide

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Season 3 Progress Shield

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Binge Efficiency Engine

Season 3: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

30%
70%
Mytharc (3): Crucial lore & season climaxes
Core (7): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

The Musical Car

Aug 13, 2020

The kids of The Apex raid a musical car before descending on a village of unsuspecting turtles - but before they can complete their mission, leaders Grace and Simon are separated f

S3·E2 Core

The Jungle Car

Aug 13, 2020

Grace and Simon look on the bright side and hope that this will be like a mini-vacation from their responsibilities as leaders of The Apex.

S3·E3 Core

The Debutante Ball Car

Aug 13, 2020

The gang's uneasy alliance is tested by a challenge in their first car together: dancing in a high-stakes octopus debutante ball!

S3·E4 Core

Le Chat Chalet Car

Aug 13, 2020

Stuck in a blizzard, the gang seeks shelter in a nearby cabin. But when Simon realizes who's inside, he frantically searches for a way out.

S3·E5 Core

The Color Clock Car

Aug 13, 2020

A giant, color-changing clock creates a shifting-maze puzzle that the gang has to solve before they can leave the car.

S3·E6 Core

The Campfire Car

Aug 20, 2020

The Apex are just a car away! They're almost home! But first they have to make it through a forest full of pinecone camp counselors.

S3·E8 Core

The Hey Ho Whoa Car

Aug 20, 2020

In the seemingly innocent Hey Ho Whoa car, a shocking revelation rocks Grace and Simon's world. Will they be able to fix it before The Apex find out?

S3·E9 Mytharc

The Origami Car

Aug 27, 2020

The gang is finally ready to meet The Apex again, but keeping secrets has consequences.

S3·E10 Mytharc

The New Apex

Aug 27, 2020

The gang reorders The Apex, but what will the new order be?