Mandy Mail wants to deliver the Chug-a-Love Day cards to everyone in town all by herself. But she'll learn things are easier with help from a friend.

Will Tracksville's hottest music act, the Popstar Piggies, get to their show on time to reveal their latest dance track? Farmer Faye can save the day!

Build-It Brock and Nico find a secret map and follow the clues deep into Majestic Mountain to hunt for the golden train car of the legendary King Toot!

Farmer Faye must get to Beach Station on the double to bring a lost baby octopus back to his parents before all the water spills out from his tank!

Get ready for confetti — it's Goaty McGoat's birthday! But the town's favorite goat goes missing before his party, and Farmer Faye is out to find him.

Museum Station's latest addition is Nico's new dinosaur exhibit, and Mechanic Milo needs to pick up a giant T-rex bone before the grand opening.

Build-It Brock must use his skills to fix a fiasco when a bridge breaks while Peoplemover Penny is shuttling kids to a school show-and-tell day.

Flicker finally gets a mega mission for himself. But will the jumbo-sized balloons he needs to deliver be too big of a task for the tiny train?

Milo has two big repairs to fix in just one day! Will getting a rocket booster make him finish his tasks faster or just spark more trouble?

Clay and May need more salt and pepper for their yummy chili, but Nate will have to stop sneezing to make the delivery in time for the town picnic.

Nate and Nico chase after Museum Station’s newly polished suit of armor after some cheese-hungry critters use it to try to catch their next snack.

Flicker is finally big enough to ride Camp Itchiknee’s zipline! But when he gets stuck in midair, Milo must make his way over to rescue him.

Pogo sticks at the farm? Animal feed at school recess? With their deliveries swapped, Red and Faye try their best to fix the mix-up fast!

Nate and Nico try their best to avoid making a mess on the tracks while they deliver barrels of gooey maple syrup to the town’s pancake party.

With the help of Nate’s crusher car, Penny must haul a big block of ice to the beach so that everyone can beat the heat with some snow cones!

Something has been chomping off pieces of wood from the train tracks all around town! Milo and Nico will have to play detective to catch the culprit.

Nate and Nico keep a dragon delivery from flying away while heading to Camp Itchiknee.

Milo's bubble machine blows some trouble toward the beach.

Red makes sure a bounce house doesn't burst while the Popstar Piggies are on board.

Nate tries to tame a jumpy bull on a noisy journey to the farm.

Can Nate get a giant volcano to the science fair before it explodes?

Brock digs up a strange, glowing rock — and playful penguins hop on for a ride!

Nico's massive magnet gets Milo stuck to a metal bridge.

Milo must deliver a big telescope so that everyone can see a rare comet light up the night.

Red helps Mandy after she tries to deliver the Great Golden Stagecoach all by herself.

Flicker's in a hurry to pass out pizzas before they get cold.

Milo and Nico pick up giant dominoes to make a super long line of them to tip over!

Faye lassos an oversized rubber ducky for Tiny the whale.

Nate hauls a huge windmill to power the lights at Farm Station’s sleepover.

The entire Mighty Express fleet tries to catch up to a runaway toy robot.

Flicker is in charge of picking up Diesel's new deluxe dog house.

Faye must find a mischievous monkey and deliver it back home to the jungle.

While delivering a pirate ship to Museum Station, the Mighty Express finds a treasure map that leads to a legendary train pirate's secret cave.

Nate's on the way to the medieval festival, but Stella and Ricky have other plans.

Faye must deliver a big enough tub for Bart the bull's bath.

Mandy's determined to get Flicker new hubcaps to thank him for being a pal.

All of the farm animals follow Brock while he hauls Dusty's new alphorn.

Red needs to be extra safe and careful while delivering fast-growing seeds for the farm.

Clay and May's messy barn needs a fresh coat of paint.

Nate shows Max his favorite place in Tracksville. Penny has fun with the kids at summer camp. Red heads to School Station for a safety inspection.

Mandy tries to hide from Diesel the dog. Flicker's excited to see his first meteor shower. The trains show off all the cool tricks they can do.