Season 1

The Train World is having a busy period, building railroads between continents. The Intercontinental Railroad construction is to revitalize the isolated continents by installing connecting railroads. The main supervisor…

Duke returns to the Train World and lies to everyone that Kay is lost due to an unfortunate accident. But Kay also makes it back, and Duke's lie is revealed! To fulfill his evil scheme, Duke forcefully tries to take ove…

After a long rest, Kay wakes up, clueless to who or where he is. Confused, Kay leaves his base and arrives at the Fountain Plaza. There, everyone welcomes Kay, but Kay doesn't remember anything about his friends. He goe…

As the power of the Train World becomes weaker, viruses spring up and begin to infect the inhabitants. If infected, the trains lose control of their engines and run until they completely exhaust their energy. While Sell…

A virus enters the system in Area D, and the area's control unit malfunctions. To fix the problem, Kay has to run faster than the flow of energy and manually adjust all levers along the train tracks. Confident about his…

After Kay gets his upgrade with Experience Points from completing the Area D restoration task, he decides to reopen the railroad tunnel to the Mountain Area, where Alf is trapped. With everyone cheering for him, Kay ope…

After using all his energy while opening the tunnel to the Mountain Area, Kay collapses as he barely makes it there. Alf finds Kay in need of assistance but doesn't step up to help him. Following Kay into the tunnel, Se…

When the avalanche starts to fall, Alf, Jeffrey, Selly and Duck quickly search for ways to protect the Mountain Area. Kay regains consciousness and helps Alf trying to stop the falling rocks, while the others build barr…

Through various experiences, Kay successfully continues to receive upgrades. Feeling good and confident, he goes to the Fountain Plaza and finds out that everyone is praising Alf for being so helpful. While Alf is busy …

Kay decides to train harder after finding out that he needs more experience points to earn higher level upgrades and starts working on his traction technique. While helping Kay train, Selly notices that Janne likes Kay …

Kay loses control over his units because his units received upgrades after special training. He needs extra training to tame them and quickly upgrade his main system. Selly develops a simulator that synchronizes with Ka…

Kay finds out that Alf has been training hard in the early mornings. He follows Alf to the Mountain Area and sees him running too fast on the rugged mountain railroads. When Kay asks him for the reason, Alf speaks his m…

Everyone needs more training to open the connecting tunnel to Area V so Selly installs a virtual simulation program to Kay, Alf and Duck's main system. The three Robot Trains begin their training in their dream: Fightin…

Duke in the virtual space is unimaginably strong. After losing connection with Selly, Kay, Alf and Duck are completely exhausted, fighting against Duke. On the other end, Selly is puzzled that the program has gone out o…

The Train World is downgraded from Kay's setback and the Area V, which requires a large amount of energy to be opened, remains unlocked. Hence the trains hold the Train Race, their tradition, which allows energy to be d…

Kay and Alf tie with eleven cargos each, which they have received from helping other trains. With Kay's Base as the last section of the race, Kay and Alf fight for each other's cargos but end up giving all their cargos …

It's the day of the opening ceremony for Kay to finally open the tunnel to Area V. Everyone is in the festive mood, but Kay seems nervous because he will be put to the test as to check how much he has improved. Sensing …

Kay and his friends battle against Duke. Even after Alf ties Duke up, Duck shoots his water guns at him and Selly uses the G-force Nanobombs to help Kay fight Duke, all their efforts are useless against the powerful ene…

To make matters worse after all his friends have fallen, Kay's vision sensor is broken. Jeffrey tries to fight off Duke but he's no match for Duke. Not being able to see, furious Kay lunges at Duke, but Duke sends a sho…

As the tunnel to Area V reopens, Victor is back. Victor visits the gatekeepers of each area who are his old students. Watching everyone welcoming Victor, Kay realizes that Victor is very much respected around the Train …

Kay listens to Stella's story about the primordial train called the Alpha Train. Stella warns Kay that soon, darkness will dawn upon them. Kay is doubtful but Victor shows him the proof of the Alpha Train's existence, t…

Kay and his friends realize that Duke has acted strangely because of a virus. To treat Duke, Kay and the gang must log into Duke's system and remove the mutant virus themselves. With the help of Selly, Kay, Alf, Duck an…

While Kay and his friends are searching for the virus inside Duke's memories, they find Duke's memory of the day before the opening ceremony of the Intercontinental Railroad, where a virus infected Duke's system and tur…

Duke finally comes back to the Fountain Plaza after his recovery, but everyone is still scared of him. Kay asks Duke to go training with him, but it is actually Kay's scheme to help Duke earn trust back from the other t…

Kay loses control of his engine and starts to run too fast, causing space-time to warp and twist. Kay visits the Fountain Plaza and notices that everyone is moving very slowly. Duke is the only one who realized what's h…

Kay arrives at the Central, but the atmosphere is somewhat different than before. His friends act weird and seem to be afraid of him. Kay hears from Duck of what he had least expected. In this world, Kay is a betrayer w…

Due to the prolonged isolation period, Area V's energy level is unstable, and the snow starts melting, causing the Ice Cave to collapse on Victor while he is investigating the cave. Kay and Stella save Victor, but Victo…

Everyone safely makes it to Victor's Base. There, Selly connects Victor's engine with Kay's while repairing Victor. Meanwhile, Duck is skating on a frozen lake when suddenly, the ice on the lake melts and all the water …

One morning, a train is found thrown off the track, all out energy. While everyone watches him worriedly, the train wakes up, pointing the finger at Duke as the attacker. Everyone starts to suspect Duke again and asks h…

Duke's duplicates show up in the Fountain Plaza. It turns out the virus has duplicated Duke while it was invading Duke's system. Victor, Alf, Duck and Selly fight against the duplicates, and Kay and Jeffrey join their e…

While fighting Duke's duplicates, Kay and his friends realize something odd. Even though the engines of the Duke's duplicates have ceased to operate, they are still moving. It turns out Duke's duplicates are using the e…

All the trains evacuate to Area V, and the Robot Trains block the tunnel that connects to the Fountain Plaza. But Duke's duplicates penetrate and come through the tunnel, endangering everyone in Area V. Then Duke arrive…