After accidentally derailing Gordon, Thomas promises to deliver Gordon's cargo but gets distracted by a race with Diesel.
Thomas gets upset over being asked to bring a boring battery to Brendam Docks for a rocket launch.
Thomas creates a fun spy game to help Percy conquer his fear of the dark.
Thomas learns that different engines have different abilities after creating an obstacle course that nobody else can complete.
Thomas offers to help Annie and Clarabel arrive at their destination well-rested but must resist the urge to make noise along the way.
After the power goes out, Thomas helps his friend — the normally lightning-quick Kana — take things slowly for a change.
Thomas and the other engines hold a contest to see who will get to deliver a wooden dragon to the Medieval Faire.
Thomas forms an adventure club after finding a map that may lead to the special Crystal Locomotive landmark.
Percy lends Thomas his lucky bell to help ease his nerves about making a delivery in the mine.
Eager to assist Thomas to deliver a massive shipment of sand, the small-in-size Sandy searches for ways to be a big helper.
Carly needs all the trains to work in pairs to help relocate three cottages to the other side of Sodor.
While delivering 10 cows to McColl's Farm, Thomas and Percy lose track of a few members of the herd along the way.
Thomas joins Nia on her way to a big concert in Vicarstown. But when they arrive, they learn Gordon has not shown up with the instruments!
The trains declare it to be backwards day at Knapford Station and have loads of fun until Thomas mixes things up more than he intended.
Thomas and Kana spot a rainbow and decide to follow it, hopeful they'll figure out where it ends and maybe even get a prize.
Nia gets tasked with delivering a giant balloon float for the Sodor parade, but all her careful planning can't stop the wind from blowing.
All the train kids are super excited to carry their very own, colorful flag in the train parade, but there's a problem: Nia's flag is missing.
Worried she can't get far on a single charge, Kana goes on a scavenger hunt with Thomas and Percy that may lead to a solution to her problem.
Inspired by his favorite action hero, Thomas tries to make sure a movie screen arrives in excellent condition so everyone can enjoy movie night.
Thomas, Percy and Nia have to make a delivery deep into the mainland but that means spending the night in a spooky shed along the way.
When Diesel is late for a delivery, Thomas and Percy try to cheer him up but accidentally risk ruining Diesel's next job.
Nia wants to use a map for a delivery, but Thomas is confident they don't need one since he's been there before — but then the pair gets lost.
When all the trains but Thomas get deliveries, he’s left to spend the day with a new friend, taking it around to visit his favorite places.
When Thomas' #1 gets covered by paint, Diesel's comment about Thomas not being number one anymore causes him to doubt himself.
The engines look forward to the rollercoaster at the Vicarstown Carnival, except for Percy, who's a bit afraid.
Thomas is so excited to show Annie and Clarabel's passengers the scenic views of Sodor but then the power goes out all over the island.
When the daring Yong Bao returns to Sodor, Thomas tries to prove he can be just as brave as his speedy friend.
Thomas and Percy learn to communicate clearly with each other while hauling a giant submarine for Gordon.
Cookies, cakes and pies, oh my! Thomas and Percy will need to be eggs-tra careful while delivering the fragile ingredients for Vicarstown's bake-off.
When the engines deliver attractions to the annual Norramby Beach Carnival, a series of mistakes lead to an accident.
The engines must transport a set of fossils from the mine to the Vicarstown Museum in the exact order they're to be assembled.
Thomas volunteers to help when Gordon is unable to make an important delivery, but Gordon keeps second-guessing Thomas' every move.
When Thomas accidentally breaks the lights he's delivering to the Sodor Festival of Lights, his friends lie to cover it up for him.
When a ride through Crumble Canyon severely chips Thomas' paint, he finds it difficult to stay inside until his new paint job dries.
Nia shows Thomas and Diesel how to find beauty in everything around them while delivering orange trees to the town plaza.
After an encounter with Diesel and the Troublesome Trucks, Thomas' whistle gets clogged, preventing him from using it.
After Thomas and Percy laugh at each other over embarrassing moments, they get into a fight that could ruin their friendship.
Nia volunteers for a big day of deliveries and is determined to make the perfect plan to get them done.
Yong Bao is leaving Sodor, and all the other trains want to get him something special to remember them when he returns to China.
When a big storm approaches, Thomas and friends must complete a week's worth of deliveries by the end of the workday.
While the trains set up for the Vicarstown Fall Festival, Thomas feels down about the end of summer and the changing weather.
Percy has to deliver the mail on Halloween — the day the Ghost Train appears! — so Thomas comes along to help him face his fears.
After Thomas accidentally throws away Diesel's favorite oil can, he promises Diesel he'll get it back.
While playing a game of hide-and-seek, Diesel accidentally floats out to sea on a barge and learns to ask for help.
Thomas and Diesel work with the Troublesome Trucks, who pressure the two engines into making bad choices that eventually become even worse!
Percy announces he's too old for his Ghost Scaring Machine, but the machine may be good for more than just scaring ghosts.
Thomas is thrilled when he finds a cowbell on the side of the tracks. But the bell gets lost when a friend borrows it without asking.
When Sir Topham Hatt's hat blows away in the wind, Thomas and friends race around Sodor to be the first one to catch it.
Nia plans a big party to celebrate the anniversary of her arrival at Sodor, but her friends all seem too busy to even talk about it.
Thomas comes to the rescue when Harold the Helicopter needs a ride across Sodor to get a quick fix for his rotor.
Thomas needs to transport Skiff to Harwick to repair his cracked hull. But Skiff's not comfortable on flat land, which makes it a challenge.
Nia gets to write a new Song of Sodor but becomes annoyed when everyone offers their suggestions.
As Thomas and Kana race to deliver aquarium materials to Vicarstown Fish Day, it’s Nia’s job to bring the fish — but she has a wobbly wheel.
When Percy falls off the tracks and gets lost, Thomas sets out to look for him even though it means leaving the party for his 10,000th delivery.
Ashima is coming to Sodor! Thomas and the gang try to make everything perfect for her arrival, painting the dock and learning a new dance routine.
With the Tri-and-a-Half-a-Lon games almost here, Nia pushes herself a little too hard and loses sight of the real goal: to have fun.
Carly has trouble using a new magnet to help Tess the Troublesome Crane do her work, but she learns that making mistakes is part of growing.
When Percy breaks an axle, Nia takes over his mail delivery route — and turns out to be faster. Percy considers other jobs on the island.
A hot air balloon comes loose while being delivered to a festival and Percy takes flight! Now it’s up to Thomas to bring him home.
When Carly develops a loud squeak, Sandy builds a fancy oil-squirting robot to help. They soon learn that simple solutions are often the best.
Diesel and Bruno deliver shipments to the Lighthouse, but an avalanche at Crumble Canyon blocks their way. Can they work together to get through?
When a storm knocks out power all over the island, Thomas volunteers to give out generators. He soon realizes it’s not a one-tank-engine job.
The night before a new route opens, Thomas and Percy go exploring and have a blast despite getting stuck in the mud. Morning brings a surprise.
A stink monster appears and takes Percy! The Biggest Adventure Club teams up to get him back, but there’s more to the story than they thought.
Bruno is sad when a Christmas tree can’t be delivered to the island, but the Locamigos find the perfect way to brighten his holiday.
Thomas and Percy are delivering Christmas presents when a snowstorm hits the island, forcing them to get creative if they want to finish the job.
At Whiff’s Recycling Plant, Thomas sees that Boxy needs some repairs. With Percy’s help, he finds spare parts to get the boxcar rolling again.
When Ashima tries to clear rubble from a rockslide, Thomas worries the job will ruin her paint. Ashima proves her appearance doesn’t matter.
Thomas is given a powerful snowplow before a storm — but when he’s told to guide Diesel and Percy, he learns the real meaning of responsibility.
When Gordon puts Thomas in charge, he gives his friends jobs that they aren’t good at. Thomas learns that real teamwork is about listening.
Tired from making deliveries, Kana decides to take a break. When Thomas misunderstands, she teaches him the value of spending time alone.
While taking Sir Topham Hatt’s prized roses to the Sodor Flower Festival, Thomas meets a skunk and finds himself with a very smelly problem!
A giant ball rolls off Nia’s flatcar on the way to Norramby Beach. She turns to her friends for help getting the bouncy cargo back.
Tired of being known for his strength, Diesel trades jobs with Kenji — the island’s fastest engine. It turns out to be a lot harder than they think.
Thomas is tasked with delivering the most impressive pine on Plant-A-Tree Day, but a mishap occurs and Beresford the Crane comes to the rescue.
Thomas doesn’t say anything when he overhears Cranky the Crane mix up his deliveries, but he soon learns the importance of speaking up.
The Locamigos invite a lonely sheep to sleep in the sheds. To their surprise, her fleecy friends soon join them.
Thomas and Diesel get stuck in a tunnel while racing each other, and they won’t leave — even if it means missing the big butterfly migration!
Where is Carly the Crane? To find their missing friend, Sandy and Diesel have to become detectives and search the whole island for clues.
When all the lamps in Vicarstown break, Sir Topham Hatt asks Thomas to quietly replace them, but the Number One Engine can’t keep a secret.
Percy tries to deliver Valentine’s Day gifts, but accidentally drops them in the mud. With Thomas’ help, he finds a fun way to make things right.
Kana can’t decide what to take to the Valentine’s Day party. When a sparkly idea fizzles, she discovers that the best thing she can bring is herself!
Kana is the fastest engine, but Sandy challenges her to a race. Instead of focusing on her weaknesses, Sandy uses her smarts to get the upper hand.
Sir Topham Hatt asks Thomas and Bruno to deliver a marble statue to Vicarstown Plaza. Thomas learns they must use teamwork to get it there safely.
After Salty tells them a tale, Thomas and Percy search Sodor for hidden treasure. They soon realize friendship is worth even more than gold.
On a windy Balloon Festival day, Thomas tracks down a stray kraken-shaped balloon. The other engines think they have seen a real sea monster!
A rocket Thomas once delivered is falling back to Earth. He’s so eager to pick it up from the ocean that he misses some important instructions.
When speedy Kenji is given the wrong itinerary, Thomas has to use his wits to catch up before the passengers end up at the wrong station.
Thomas is grumpy when beach day is canceled. Like Riff and Jiff, he tries to put on a smile, but he soon learns it’s okay to vent with friends.
Carly the Crane and Terence the Tractor turn stacking hay bales into a game, showing Thomas that hard work can be fun!
Thomas and Diesel compete in an obstacle course relay, but they can’t agree on who won — forcing the engines to learn about sportsmanship.
Thomas gets nervous about delivering bananas when Salty says they are bad luck. Strange things happen on his route, but Percy has an explanation.
When Nia accidentally clogs Tess' wheels with sand, she must find a way to fix the problem and stop grease from spilling all over Sodor.
Harold the Helicopter is excited to see the Northern Lights, but when a suspension bridge collapses, he chooses to help his friends instead.
Bruno is excited to get a new map of Sodor to help improve deliveries. When the map blows away, Thomas, Percy, and Diesel help him get it back.
After a near-accident, Emily introduces strict safety measures. This makes Percy more nervous until he realizes safety begins with paying attention.
Cranky upsets Bulstrode by not supporting his new paint job. Thomas and Percy must fix the friendship by helping them talk about their feelings.
Thomas and the Troublesome Trucks spend the day making deliveries to Vicarstown. When Thomas switches up the route, they learn the value of routine.
Diesel spills blue paint all over Percy, making him look just like Thomas. Percy decides to be brave like Thomas when passing through Crumble Canyon.
Toby the Tram Engine wants to help with deliveries, but fears he’s too old to keep up. Thomas and Sandy make a new axle to help him get moving again!
Bruno gets mad when an important visitor is late, so the engines come up with a waiting game to show him the power of patience.
Thomas and friends come to the rescue — and learn to appreciate their strengths and weaknesses — when the main water line on Sodor breaks.
Thomas and Boxy are good friends, but the older boxcar can’t always keep up. The Number One Engine learns that everyone moves at their own speed.
Sir Topham Hatt introduces a new tour that misses some of Sodor’s best sights. Thomas and friends work together to show visitors a better time!
When Thomas meets some buzz-worthy newcomers who need help finding a home, the tank engine and his friends come to the rescue.
A busy day of deliveries takes a worrying turn when Percy loses something precious to him. Can detective Thomas help him find it?
Diesel shows off his impressive magic skills by making Sandy disappear. There's just one problem: he can't bring the lovable rail speeder back!
Thomas accidentally agrees to haul gardening supplies and watch pretty butterflies with Kana — at the same time. Can he keep both promises?
Sandy's friends try to convince her that it's time to clean up — and helpful Whiff knows the perfect place for her old junk!
Nia gets a package from India containing a beautiful flower. But when it starts to wilt, she must find a way to refresh the limp lily.
Kana wants to go extra fast but Sodor's tracks are too twisty. To help, the engines lay some straight tracks that accidentally lead to a watery place!
Everyone prepares for the upcoming carnival, including Thomas and Kana, who must work together on a last-minute mission to finish on time.
Percy starts leaking oil, but he's too nervous to ask for help. Soon, the engine must decide between getting repairs and finishing his deliveries.
Thomas really misses Percy, so the engines come up with a fun plan to find him a new best friend until Percy returns from the mainland!
Thomas and Diesel must take a batch of delicious treats to the Sodor Cake Festival, but their cargo doesn’t exactly travel too well.
The engines help keep the recycling plant going while Whiff runs errands, but they soon discover that taking over his work is not easy.
When a last-minute hitch puts a stop to the big kazoo concert, Thomas and his friends decide to hold a pizza picnic for everyone instead!