Seasons & Episodes
The Adventure Begins
The Train World is having a busy period, building railroads between continents. The Intercontinental Railroad constructi
Duke is a Liar
Duke returns to the Train World and lies to everyone that Kay is lost due to an unfortunate accident. But Kay also makes
Lost Memories
After a long rest, Kay wakes up, clueless to who or where he is. Confused, Kay leaves his base and arrives at the Founta
Runaway Virus Train
As the power of the Train World becomes weaker, viruses spring up and begin to infect the inhabitants. If infected, the
Run, Kay!
A virus enters the system in Area D, and the area's control unit malfunctions. To fix the problem, Kay has to run faster
Here Comes Alf
After Kay gets his upgrade with Experience Points from completing the Area D restoration task, he decides to reopen the
Repairing the Clock Tower
After using all his energy while opening the tunnel to the Mountain Area, Kay collapses as he barely makes it there. Alf
Kay and Alf
When the avalanche starts to fall, Alf, Jeffrey, Selly and Duck quickly search for ways to protect the Mountain Area. Ka
A Recovered Friendship
Through various experiences, Kay successfully continues to receive upgrades. Feeling good and confident, he goes to the
Janne and Kay
Kay decides to train harder after finding out that he needs more experience points to earn higher level upgrades and sta
Selly's Special Training
Kay loses control over his units because his units received upgrades after special training. He needs extra training to
Alf Speaks His Mind
Kay finds out that Alf has been training hard in the early mornings. He follows Alf to the Mountain Area and sees him ru
Uninvited Guest
Everyone needs more training to open the connecting tunnel to Area V so Selly installs a virtual simulation program to K
Close Victory
Duke in the virtual space is unimaginably strong. After losing connection with Selly, Kay, Alf and Duck are completely e
Go, Robot Trains!
The Train World is downgraded from Kay's setback and the Area V, which requires a large amount of energy to be opened, r
The Festival Day
Kay and Alf tie with eleven cargos each, which they have received from helping other trains. With Kay's Base as the last
Duke Awakens
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
Hang in There, Kay!
Kay and his friends battle against Duke. Even after Alf ties Duke up, Duck shoots his water guns at him and Selly uses t
Victor Arrives
To make matters worse after all his friends have fallen, Kay's vision sensor is broken. Jeffrey tries to fight off Duke
Victor the Venerated Train
As the tunnel to Area V reopens, Victor is back. Victor visits the gatekeepers of each area who are his old students. Wa
The Secret of Alpha Train
Kay listens to Stella's story about the primordial train called the Alpha Train. Stella warns Kay that soon, darkness wi
Duke Speaks His Mind
Kay and his friends realize that Duke has acted strangely because of a virus. To treat Duke, Kay and the gang must log i
Kay and Duke
While Kay and his friends are searching for the virus inside Duke's memories, they find Duke's memory of the day before
Kay's Strange Training
Duke finally comes back to the Fountain Plaza after his recovery, but everyone is still scared of him. Kay asks Duke to
The Time Tunnel
Kay loses control of his engine and starts to run too fast, causing space-time to warp and twist. Kay visits the Fountai
Another World
Kay arrives at the Central, but the atmosphere is somewhat different than before. His friends act weird and seem to be a
Victor is in Danger
Due to the prolonged isolation period, Area V's energy level is unstable, and the snow starts melting, causing the Ice C
All for One and One for All
Everyone safely makes it to Victor's Base. There, Selly connects Victor's engine with Kay's while repairing Victor. Mean
Faltering Friendship
One morning, a train is found thrown off the track, all out energy. While everyone watches him worriedly, the train wake
The Attack of the Virus
Duke's duplicates show up in the Fountain Plaza. It turns out the virus has duplicated Duke while it was invading Duke's
Train World is in Danger
While fighting Duke's duplicates, Kay and his friends realize something odd. Even though the engines of the Duke's dupli
To the New World
All the trains evacuate to Area V, and the Robot Trains block the tunnel that connects to the Fountain Plaza. But Duke's
Emergency, Somebody help
Kay, Alf, Victor, Genie, Maxie, and Gary are going on with their daily tasks enjoying a peaceful day at the Railwatch He
Yeah, Waterland Waterpark
Today is the grand opening of the Water Park in WaterLand, but a shark suddenly spoils the event!
No, Kevin, Not Again
Mountain Land's lumber camp railer Kevin starts dreaming of becoming one of the RailWatch members after seeing Alf, a Ra
Leave it to her, Genie the Detective
Windland's Novice Pilot's bag is gone! Without a bag, you can't collect windland energy. Detective Genie comes out to so
Maxie can do it, Maxie Power
Even the youngest Railwatcher Maxie has worries of her own. How come Kay, Alf, Victor, and Genie all have unique talents
Oh, Victor, Mr. Romantic
Victor comes across an edelweiss, which does not usually grow in sizzling hot places, in the field of Windland. Victor d
Let Gary's Wisdom Shine
Gary and Dolo are once again busy playing chess with each other. The mischievous trio, Mos, Dos, and Duke get a special
Snap, Stay Away From That Camera
The mischievous trio Mos, Dos, and Duke find an odd looking camera on the street. Dos takes a picture of Igor who was pa
A Day in Alf's Life
Alf does not know how to say no. As always, he is having a busy day helping trains and Railers all over RailWorld. Howev
He Is Not Angry, He Is Just Victor
Railwatch Victor cares about the railers deeply, but on the surface he seems very cold. Windland railers, startled by Vi
Go, Kay, Rescue Duck
Kay is afraid of water and envious of Duck, a train that can move freely on water. So, Genie makes "Storm Slider," a hov
Maxie and Bug, Good Friends
Maxie, who is afraid of bugs, must save the fireflies Mos, Dos, and Duke captured inside the Energyball Capsule!
This Is Bad, Find Becky
When Selly looks away for one second, Becky suddenly disappears!
Miss you, Tony, Thank you, Genie
During his mission to climb up to a high mountain and fix a weather radar, Alf gets injured. His old backpack launcher i
Run, Luca, Run
Reckless railer 'Luca' is a well known troublemaker. Everyone tries to catch him, but no one can seem to keep up.
Meet Jose, The New Railwatcher
A Waterland train, Jose, always puts safety first. As usual, he was holding a safty education to the Railers, but with a
The Strongest Ever, Victor's Upgrade
Seeing Victor work so hard with his mine excavation work, Genie develops a Wild Hammer Drill that can make his work easi
Only Once a Year, Firework Festival
Today is RailWorld's yearly Firework Festival Day. Genie's firework creations of all the beautiful lands light up the ni
A Shadow in the Dark, Train X
Scientist TrainX does not usually show himself. Mos, Dos, and Duke continue to fail at bringing back the Energyball, so
Surprise Energy Combination
Genie continues to fail at Energy Combination, but with her experience at the Firework Festival, she succeeds at creatin
No, No Kay Cannot Come In
Kay accidently ruins Victor's precious edelweiss. Thinking a replacement would cool things down, Kay heads toward a dang
It Is Too Cold, Moris Is Gone
Moris is sick and tired of living in the freezing cold Mountainland. Then one day, when Alf visits Moutainland, he learn
How Scary, Operation Ghost Hunt
A spooky rumor about a ghost begins to spread in Railworld.
Flash Flood, Kay, Help
Paul, a new railer, must overcome his fear of slides in order to collect energy.
Let Me Out, Alf Is Trapped
Stuck in an elevator, Alf must endure Gary's recurring, old tales.
Kay vs. Duke, Who's Faster?
Kay and Duke battle it out for the title of fastest train in Railworld.
Oh So Shy Railer Augustine
When Augustine goes missing, Genie and Selly go searching for her. But Augustine isn't the only thing missing, Johnny's
Can't Tell, Won't Tell
When Tom finds him self out of commission and unable to make his famous bread, Jeanne volunteers to help out. However, n
Emma, The Best Chef in Railworld
When Emma becomes ill and can't make her delicious pies, Genie invents the Almighty Oven to fill in.
Rich Loves the Compliments
After Rich is praised for watering Victor's flowers, he goes out of control to get more compliments!
Stop Growing, The Vitamin Attack
When Genie invents new growth vitamins, the evil duo Mos and Dos set out to steal it.
Good Bye, X Family
When Duke suggests that the troublesome trio be broken up, Mos and Dos hatch a plan to keep the group together.
Victor and Duke, The New Best Friends
When Alf and Maxie are caught on thin ice, the gang must resort to Duke's help to save them.
Whose Box Is This? Maxie Is On The Way
After Maxie disregards a mysterious package, havoc ensues in an unguarded Watchtower.
The Greatest Present For Genie
When Genie's newest experiment keeps failing, Kay brings her a lucky, four-leaf clover.
Come Play With Us, Gary
After Gary walks off during a camping trip, Maxie and Kay worry they've hurt his feelings.
Stop, No More Pranks
While the Troublesome Trio is out to steal some energyballs, Leo "the prankster" gives them trouble.
Where in the World Is Leo, the Tardy-King?
When Leo repeatedly oversleeps and shows up late, Genie invents a special watch to help him stay on time.
Alf Can Do It
After Alf hurts himself on another dangerous job, Genie decides to invent him a pair of wings.
Genie Genie, We Need You
After Genie temporarily loses her memory, the Troublesome Trio unveils a new device in her absence.
Woo-Hooo Fly, X Family, Fly
Unknowingly, the Troublesome Trio saves the day in their new hot air balloon.
Bubble Bubble, Bubble Pop
The Troublesome Trio is at it again, this time offering train washes to railers.
Happy New Birthday, Johnny
When Johnny feels upset about his birthday, the gang gets together to cheer him up.
Exciting Treasure Hunt
After saving Kay from drowning, the Troublesome Trio is given a "special card": one that can be used when they're in nee
Joseph, The Sunnyland Bookworm
After Joseph stirs up trouble with his reading addiction, he and Andre hatch a plan to create a mobile library.
Don't Stop Running, Waterpark Energyball Race
The Railwatchers use their special talents to help Eddie's team prepare for the upcoming "Energy Ball Competition".
TrainX's Latest Funny Experiment
A huge explosion causes Master X and Mos to switch bodies!
Finally, Louie's Railer Sculpture
When Louie's sculpture is ruined by mysteriously appearing tornadoes, Alf must use Genie's new Blending Ball to save the
The Crisis Begins, Tomato Tree Is In Danger
When Railworld suffers from a drought, Genie invents a "Floaty Spray" to help out.
Beware, The Shadow Is Coming
As the Shadow Energy approaches, Victor uncovers a long lost secret from the ancestors.
Where There's A Will, There's A Rainbow Energyball
When the Shadow Energy collides with the Energy Volcano, an unexpected combination of the five good energies is discover
Railworld Is In Danger, Railwatch To The Rescue
As Genie races to finish the Rainbow Balls, Tony, the secret guardian of Mountainland, explains how the Energy Volcano i