After an argument during a game results in Gordon breaking his coupler, Thomas and Diesel make it up to him by delivering his train to the Recycling Center. However, Thomas and Diesel are determined to beat each other to the center, causing problems for all involved.

Song: "I'm Gonna Chug"

Thomas is disappointed to be carrying an insignificant battery when the engines are to help participate in a rocket launch, but as time grows on he learns that even the seemingly insignificant deliveries can be very important, and not every special load has to be large.

To help Percy conquer his nyctophobia on a nighttime run to the lighthouse, Thomas has the two of them pretend to be secret agents, and Percy learns that nothing is scary in the dark when knowing what is there.

Song: "Secret Agents"

Thomas constructs an obstacle course for his friends, but all of them aren't enjoying it as much as he is. After talking with them, he realizes that he built the course specifically based on his preferences, and did not account for those of his friends.

Thomas has to haul Annie and Clarabel to the docks in time for a nighttime passenger run. However, they must be well rested for the trip, but Thomas quickly learns that a noisy day makes it very difficult not to wake sleeping coaches.

Song: "Chugga-Chugga Snooze Snooze"

Kana breaks down while on a run to Vicarstown, and reluctantly allows Thomas to tow her, despite his slower speed. On the way, however, Thomas shows her that there is a lot to take in when taking it slow and easy, and Kana learns that there is good in life outside the fast lane.

Thomas is given the job of delivering a fake dragon to the castle for a medieval festival. However, he refuses to share the job with his friends, and learns that the best experiences are the ones where everyone participates.

Song: "Knights of the Turntable"

Sandy is furious when Thomas, Percy, and Carly set off exploring the mines for a cavern full of crystals without her, worried about her stature placing her in harm's way. Determined to prove herself, she sets off on her own expedition with Diesel at her side.

Thomas takes Percy's lucky bell on a run to the mines, but despite promising to be careful with it he ends up dropping it down a mineshaft. As they set off to retrieve it with Carly and Sandy, Thomas learns to be more responsible with his promises, while Percy learns to trust others much more than what he believes.

Song: "I Sure Am Feeling Lucky"

Sandy is ecstatic to accompany Thomas on a sand delivery, and is determined to be the best helper she can be, despite how easy Thomas thinks the task would turn out.

On a job of delivering houses, Thomas is disappointed to be partnered with Diesel instead of his best friend, Percy. Jealous of the fun Percy is having with Nia, Thomas neglects Diesel throughout the journey, and learns that when it comes to having fun with others, best friends are not the only people to hang out with.

Song: "A Partner on the Rails"

A routine job of delivering cattle becomes problematic for Thomas and Percy when they consistently lose a number of cows throughout the day. Working out a number of plans to find the cows, the two learn that a task can be made easier if done as a kind of game.

Gordon is late delivering instruments for a concert and the engines quickly get him on his way, but when Nia gets stranded on the other side of a drawbridge stuck open, they cheer her up by performing their own makeshift concert using what they learned: any sound can be music.

Song: "Music is Everywhere"

Thomas teaches Percy the basics of backwards day, a day where the engines do most of their tasks in reverse and use opposite terms. However, after he mixes up a pair of deliveries, Thomas learns that what is heard is not always right, while Gordon learns that fun and work can go hand in hand.

The engines race towards what they perceive as the end of the rainbow to find the supposed treasure, but it always changes location whenever they get close. Once they actually reach it, Thomas and the others realize that sometimes, the real treasure can only be realized when the bigger picture is seen in full.

Song: "Chasing Rainbows"

Thomas and Kana join Nia in bringing a parade balloon to Vicarstown for current festivities, but despite her preparations, Nia fails to account for several obstacles in her plan to keep the wind away from the balloon. With Thomas's help, she learns that improvisation can place even the most disastrous outcomes back on the right track.

Not wanting to be late for a parade, Thomas encourages Percy to rush through his checklist, but learns that it is better to take time and go through every step when they lose Nia's flag for the parade.

Song: "The Mail Delivery Song"

Kana is frustrated by her tendency to run out of power on her Vicarstown runs, and to cheer her up after a particularly bad drain, Gordon sets up a scavenger hunt for her, and joined by Thomas, Percy, and the Fix-it Crew, Kana finds machinery components that make a device which will solve her problems.

For a movie night at Vicarstown, Nia has to deliver the screen that will show the film. However, it must be clean, and even while pretending to be a superhero, Thomas is dejected that they failed to keep it spotless, but learns that there is more than one way to be a hero.

Song: "If I Was a Super Train"

An overnight tanker delivery to the mainland means that Thomas, Percy, and Nia have to sleep in the woods for part of the trip. However, Percy is very anxious about sleeping far from home, but with the help of his friends learns that if made a little more familiar, sleeping away from home can be a fun experience.

Thomas starts a joking spree on a day that Diesel is determined not to run late on. However, Diesel accidentally takes a boxcar rigged to explode with confetti, and Thomas and Percy have to switch it with his real car before it is too late. In the end, Thomas learns that someone has to be in the mood to laugh, while Diesel learns that laughter can brighten up a very bad day.

Song: "Get on the Laugh Track"

Nia has to take a load of beach balls to Norramby Beach, but things go disastrously wrong when she agrees to deviate from her planned route and follow Thomas on one of his shortcuts. After a wrong turn, the two engines quickly get lost, and upon completing their trip Thomas learns that some shortcuts are better left unused, while both of them learn that there is more than one way to travel somewhere.

When Thomas learns that he does not have any jobs assigned to him for the day, he finds having a day off when completely alone to be off-putting and depressing. Upon coming across and old boxcar and a battered volleyball, however, he discovers that imagination can make anything enjoyable.

Song: "On My Own"

Thomas's confidence in being the number 1 engine is challenged when his number is covered in paint, and he gets delayed several times while delivering lanterns. With some help from his friends, though, he learns that he is the number one engine due to his reliability.

A carnival arrives on Sodor and the roller coaster is leaving Percy in a very nervous fit, leaving Thomas, Nia, and Kana to help him get over his fear. When he goes through a number of lines likened to a roller coaster by his friends, though, Percy learns that a tough challenge can be prepared for by practicing it one part at a time.

Song: "Everyone is Afraid a Little"

Thomas promises Annie and Clarabel a scenic route for one of the last tours of the summer season, but a power outage across the entire Island of Sodor causes problems for the three and their passengers. With help from Percy and Kana, the engines learn that what connects all of them isn't just electricity.

On the day of a fireworks show, Yong Bao visits from China and performs a rescue, which leaves Thomas feeling jealous. The little blue engine sets out to prove himself braver with a dangerous stunt, but when he is joined by Yong Bao on a rescue mission, Thomas learns that bravery doesn't necessarily mean being fearless.

Song: "What Brave Engines Do"

Gordon is unable to deliver a submarine to the Vicarstown Museum of History, so Thomas and Percy volunteer themselves for the task. However, despite the duo's collective confidence in their communication skills, the submarine proves to be a trickier delivery than anticipated, particularly with Harold.

A bake-off is taking place at Vicarstown, and Thomas is tasked with delivering the necessary ingredients, but the journey is full of bumps and turns, causing many of the ingredients to become ruined. With Percy's help, Thomas puts into practice that some plans don't have to be taken from the start.

Song: "Between You and Me"

The engines are tasked with delivering carnival supplies, but a number of slip-ups result in a broken calliope and the loss of the carnival's main source of music. As the five make haste to fix whatever problems arose from the slip-ups, they find that they can perfectly fill in for the calliope.

A paleontologist has dug up a T-Rex skeleton in the old mines, and the Biggest Adventure Club are tasked with delivering it. However, they arrive out of order, and the skeleton is incomprehensibly jumbled until they figure out how to maintain the order the pieces were left in.

Song: "Feet, Tailbone, Ribs and Claws"

Gordon suffers two consecutive mechanical failures on a brick delivery and is at risk of running late, but when Thomas offers to help, the elder and younger engines constantly bicker about directions, causing them to get lost and delay the delivery further.

On the day of a light festival on Sodor, the engines spur on and encourage a race between Thomas and Diesel, causing Thomas to break one of the fragile multi-colored lights. When he lies about it, he only feels worse, and learns from Gordon that being honest will always be the best way to do things.

Song: "The Number One Engine"

Thomas learns about patience the hard way when he continually leaves his shed impatiently before his paint dries, extending his waiting time and causing him to miss out on a meteor shower. However, he learns that good friends can make a great impact on a bad situation.

Thomas, Nia, and Diesel lose a delivery of orange trees meant for a new plaza at Vicarstown, and have to hunt down replacement plants for the grand opening. On the way, Nia shows the others that there's always something amazing when looking close enough.

Song: "What's Awesome About This Place"

An incident involving Diesel and the Troublesome Trucks results in Thomas making bird sounds whenever he blows his whistle, causing him to feel like a stranger until he gets it fixed. He does, however, learn that he is still himself, even without his whistle.

Nia has to help Thomas and Percy deal with an argument between the two, and teaches them that letting off steam can help cope with frustration.

Song: "Blowing Off Steam"

Nia makes an ambitious plan to make three big deliveries at once, but doggedly refuses to deviate even when trouble shows up. After coming clean, she learns that while having a plan is good, it is best to go with a different one should an obstacle come up.

The last day of Yong Bao's visit to Sodor comes much too fast for the other engines' liking, who are convinced he'll forget them without a souvenir. When they fail in this task, however, they learn that nobody is forgotten permanently, and that there will be other chances for Yong Bao to visit.

Song: "A Gift to Remember"

Sandy is annoyed that the other engines take her and Carly's help for granted, but when she breaks down and the other engines need immediate repairs, they quickly realize how essential the Fix-it Crew are to their daily operations.

The engines are thrilled to be setting up for the Fall Festival- except for Thomas, who still pines for the summer season. With the help of the others, however, he learns that although it isn't his favorite season, fall still has plenty of fun for him to enjoy.

Song: "Fall Fun"

Thomas throws out Diesel's favorite oil can after getting his wheels greased, but when Diesel learns of this he becomes determined to find it. The search goes for several fruitless moments before the can is revealed to be safe, and Thomas learns that everything has sentimental value to someone; even an object that seems all but useless.

Song: "My Rusty Can"

On Halloween night, Percy fears that a ghost train will come after him during his mail run, so Thomas offers to join him. As the duo scare each other with their imaginations, however, they discover that some things aren't actually scary when looked at more closely.

Diesel is doggedly determined to win a hiding game against Percy, but this comes to bite him when he gets stuck on a barge floating out to sea. After returning to shore, he learns that winning a game isn't worth the risk of being lost forever.

After Gordon ends up crashing, Thomas and Diesel have to take an important delivery to the docks. However, a friendly competition leads to Diesel losing a wheel, and the duo learn that not only is teamwork the better option, but a contest isn't fun when you take it too seriously.

Song: "Together We Can"

Percy opts to recycle his Ghost-Scaring Machine after growing out of his long-rooted fear of ghosts. However, on their way to Lookout Mountain, the group finds that it has plenty more uses outside of its intended purpose.

While out near the farm, Thomas discovers a cowbell on the tracks and decides to share it with his friends, but quickly grows sour over it not returning. After the confusion gets cleared up, the others learn that while it is nice to share, it only works well when the borrowed object is returned in the end.

Song: "He Should Have Given You Back"

Sir Topham Hatt is retiring his old top hat as a museum exhibit and promises an exciting event once the deed is done. However, it is quick to be blown away by the wind, and to Nia's annoyance her friends are too busy competing to catch it to think of a plan.

On the anniversary of Nia's arrival to Sodor, she plans on inviting everybody to a party, but to her disappointment everyone has seemingly forgotten about the occasion and are acting strangely. Eventually, she finds that they did remember and have been preparing a secret surprise party, and learns that things aren't always what they seem, especially on a special occasion.

Song: "Celebrate"

Harold's main rotor stalls in mid-flight, so Thomas has to take him for repairs by rail. While he is initially envious of the helicopter for his ability to see things from far away, he learns to appreciate who he is when the helicopter shows his amazement at things from an engine's point of view, and the two bond through a tour of Sodor as they make their way to Vicarstown.

A race with Diesel and one of the Troublesome Trucks results in Skiff cracking his hull, leaving Thomas, Sandy, and Carly to take him to Harwick before the repair shop closes. Unfortunately, he gets sick on flat tracks, and Thomas gets sick on bumps, making the journey for both difficult.

Sir Topham Hatt makes a big ceremony out of the installation of a new bench, but it is so ordinary that the occasion seems pointless. He eventually tasks Nia with making a song about it on her suggestion, but it takes numerous thoughts before she finds something special about a normally mundane object.

Song: "Song of Sodor"

Thomas is celebrating his 10,000th delivery and encounters Percy on his way to the Docks, but while travelling the two get separated, and as Thomas ignored him earlier, he has a hard time trying to find him. Upon reuniting, Percy realizes that Thomas actually does listen at times, while Thomas makes sure to do so more often in the future.

Diesel is accompanied by Bruno while hauling a replacement light system for the Vicarstown lighthouse, but the pair struggling to communicate leads to both of them getting stranded in Crumble Canyon, with cooperation being their only hope of getting out.

Song: "You Can't Stop Me"

On the day of the Vicarstown "Fish Day" event, Nia is determined to get there fast, but it ends up frightening the fish. With the help of Kana, she realizes that even if you go slow, being smart always helps in reaching a destination on time.

Song: "Fast to Go Slow"

Thomas is determined to make a lasting impression for Ashima on the first day of her visit to Sodor, but to his annoyance his plans always fall apart in practice. When they settle on an improvised plan, Thomas learns that nothing has to be particularly grandiose to leave a good impression.

Song: "Welcome to Sodor"

During the new Tri-and-a-Half-a-Lon run, the engines are set to have some fun as they complete the event's stunts, but Nia gets so determined to beat the timer that she neglects to enjoy the event and ends up exhausted from training too hard, learning that trying to have fun is more important than winning when it comes to a game.

Sandy gives Carly a brand-new electromagnet to help in their job of assisting Tess in unloading Bulstrode at Kellsthorpe, but when he arrives early, Carly is forced to learn on the job. Despite the restrictions of Tess's impatient behavior, Carly learns that mistakes are a natural part of learning, and nothing to be dwelt upon.

Song: "A Mistake is What it Takes"

A broken axle forces Percy to rely on Nia to deliver the current and next day's mail, but he feels like he's being replaced when she finishes much faster than him. As he goes along his route, he tries finding another job after seeing how early Nia came with her deliveries, but learns that he will never be replaced permanently in his favorite job, especially when everyone he knows prefers his way.

Thomas and Percy have to deliver a hot air balloon to a festival at Norramby Beach, but after unexpected obstacles force the balloon to prematurely inflate, it snags up Percy and sends him skywards, forcing Thomas to coordinate a team rescue effort. The pair also learn that even the unexpected can be enjoyable once you let it go with the flow.

Song: "This Was Unexpected"

Carly's crane arm begins squeaking after sand gets in the joints, causing the engines much grief as she tries to help them. While Sandy tries to fix it, she ends up getting carried away with making the machine larger, and it ends up making a slippery mess everywhere except where it's needed. Once the situation is fixed, Sandy learns that a solution is only a good one if it is applied in moderation.

When Sodor gets hit by a thunderstorm that causes an island-wide blackout, Thomas is tasked with delivering a generator to mitigate the damage, but his insistence at going solo forces him to learn the hard way that doing a hard task by yourself is not always the best idea.

When a brand new line is being built as an extension to Cronk, Thomas and Percy's eagerness to take a ride on it gets ahead of themselves, resulting in the two engines getting stuck in the mud. After spending the whole night stuck, they learn that when you take a closer look at things that you have already seen before, they can be truly amazing.

Song: "Stuck in the Mud at Night"

When Thomas and his friends have to pickup trash from Norramby Beach and deliver it to Whiff's Recycling Plant, all of them are in for a shock when a very strange stink monster takes Percy. Upon realizing that the monster is actually their good friend Whiff, they all learn that even when some things may seem confusing, it's always good to stay curious.

Due to the winter storm, Gordon cancels all deliveries. However, Thomas and Percy continue to deliver the mail, learning they should use all of their senses to make their way around the island during the blizzard.

When the Christmas tree is unable to be delivered, Thomas, knowing how important traditions are to Bruno, looks around the island for a replacement tree. When they can't find one, the engines work together to decorate Lookout Mountain into the ultimate Christmas tree.

Song: "Christmas Spirit"

Thomas, unable to accept Boxy is old and has run his course, tries to find a way to fix him, however fails. Together with Carly, Sandy, Percy, and Whiff though, Thomas is able to rethink his plan and make Boxy good as new!

Song: "Good as New"

After a big storm hits the island leaving debris everywhere, Thomas and his friends must clear a huge rockslide at Crumble Canyon. Despite the engine's doubts, Ashima comes along with them to help with any problems they may run into. With her friends being so cautious about her paint, they don't allow to do dirty work in order to avoid her paint getting messy. After Ashima saves everyone after they get trapped in the mud, they learn that somebody's abilities are more important, rather than looks.

When Sir Topham Hatt predicts a snowfall on the island, he assigns Thomas, Percy, and Diesel to deliver supplies to the lighthouse. When Thomas brings his shiny, blue snowplow, he carelessly plows everything in the engines' path, leading to the tracks being blocked by pigs. Upon learning that Thomas can use his snowplow to move the pigs out of the way, he learns that while it's good to have fun, you shouldn't let it distract you from an important job.

Song: "Plow to Have Fun on the Job"

When Gordon must go to the far side of the island for the day, he assigns Thomas to be in charge of his friends assignments. After not listening to Gordon, Thomas gets him and his friends in serious trouble. He assigns Percy the rush mail shipment that goes over the Sodor Suspension Bridge, Nia with heavy stone, Kana with a passenger run, and Diesel with really light pillows. As none of these jobs suit the engines, there are problems with their deliveries, eventually resulting in a big crash. Upon taking the time to listen to his friends, he learns that jobs will only go smoothly if you listen to your crew.

After finishing their last deliveries for the day, Thomas is shocked when Kana says that she needs some alone time to relax. He jumps to the conclusion that Kana is upset and he along with the other engines try many things to make her feel better. After many attempts from her friends to cheer her up including swarms of butterflies, train tag, and train washes, Kana becomes angry and shouts at her friends. Upon thinking that Kana no longer wants to be friends with them, the dismayed engines play a sad game of train tag. When finally getting some time to herself, Kana notices that there is a storm coming and fears that her friends will get caught in it. She quickly finds them and gets them to safety in a nearby tunnel just in time. After her friends take a bit of time to listen, Kana teaches them that while having fun is always nice, it's always good to emotionally recharge and appreciate the quiet things in life sometimes.

Song: "Feel the Hush"

It's the day of the Vicarstown Flower Festival and the engines are very excited. Thomas is the most excited of all as he gets the honor of taking Sir Topham Hatt's prized roses. However, with the roses being very delicate, Thomas must do the job very slowly. The journey goes quite smoothly from the start, but trouble soon arises when Thomas gets sprayed by a skunk. He fears that everyone is going to think that it's the roses that stink and quickly rushes to the Maintenance Yard to see if Sandy and Carly can help. After hearing that the new train wash Sandy is building to fix the problem won't be ready until that afternoon, Thomas tries his best to find a different solution. It is certainly easier said then done, as none of his planned solutions to get rid of the harsh smell work. After waiting for Sandy's train wash to be ready and finally washing the smell away, he learns that the best solutions to big problems come when you are patient and take your time.

When Whiff gives Nia the task of delivering a big earth ball to Norramby Beach, she completely plans out the route she is gonna take and thinks that the job will be very easy. She is soon proven wrong, as her plan is disrupted by a boulder runaway at Crumble Canyon. She goes to Lookout Mountain to try to find a better route, but all of the lines that go towards the beach are blocked. Something completely unexpected happens when the straps on her flatbed snap and the earth ball bounces around all over the island. Nia tries her best to catch it, but it is no use, after talking with Thomas and taking help from Skiff, she learns that sometimes you just have to go with the flow, rather than sticking to a specific plan.

Song: "The World Has a Mind of Its Own"

Diesel, who is known as one of the strongest engines on Sodor, is tired of just pulling heavy loads. He finds that he can relate to Kenji, the fastest engine in the world, who is visiting Sodor to help out while Kana is being repaired, and is tired of being known for just being fast. The two decide to switch jobs, with Diesel taking Kenji's passenger train and Kenji taking Diesel's mining equipment. This isn't a good idea though, as neither of them are suited for jobs, resulting in Diesel getting stuck in a mud pit and Kenji getting stuck in the mine. Once they're both back on track, they learn that while doing what you're good at is wise, it never hurts to try new things, as long as it doesn't get you into danger.

It's Valentine's Day and Percy is determined to get the valentines mail delivered all around the island. Despite the large amount, he manages to get all of his deliveries done, alongside taking some additional requests from his friends. Trouble soon arises for the green engine, as him not paying attention to the tracks results in all of his friend's gifts getting sunk into the mud. In the words of a song though, him and his friends learn that most gifts should come from the heart, rather than a box.

Song: "What's Really Real"

The biggest adventure club is throwing a Valentine's Day party on Lookout Mountain, and they are all gathering up things to bring. That is, except for Kana, who is deeply unsure on what she should contribute. After a long chase after a runaway homemade heart, she realizes that the best thing she could ever bring to a party, is herself.

It's Plant-A-Tree day on Sodor and Sir Topham Hatt assigns Thomas, Percy, Nia, Kana, and Diesel to deliver trees all over the island. There is soon a problem though, as Bulstrode shows up carrying a huge tree that Gordon was supposed to take along with his other tree deliveries. Hearing that the delivery will make them known as famous, Thomas and Diesel decide to compete, whoever gets their deliveries done first will be who gets to take the big tree to Vicarstown. The two race all around the island, causing mayhem everywhere, in the end, Thomas wins the big tree delivery. Diesel follows so that he can take over if Thomas messes up. They try all the routes to Vicarstown but none work as the tree is too tall. The eventually come to a steep mountain, but with the windy weather the tree falls over knocking both of them off the tracks into a mud pit, even Carly and Sandy who had come along and tried to help. Thankfully, Beresford comes to their rescue revealing that he was following them to see if they needed his assistance. With his help, they get the tree delivered on time, and Thomas and Diesel both learn that you should always try to focus on your strengths, rather than your weaknesses.

Song: "What I Can Do and What I Can't"

It's a busy day at Brendam Docks, cargo is scattered around everywhere, with Cranky being more overwhelmed than ever. Thomas and Percy come along to help him sort out the cargo and take the deliveries, along with Riff and Jiff, who are visiting the island. Due to Cranky's stress, he accidentally mixes up Riff and Jiff's deliveries, sending Riff's chickens to the recycling plant and Jiff's tires to McColl's Farm. Knowing that Cranky is a big crane and thinking that Cranky knows what he's doing, he sends the two along. Trouble soon comes though as the tires send the farm animals rolling across the island and the chickens are all scattered around the recycling plant. Thomas soon sorts it out and puts the cargo in the right places, and after talking with Cranky, he learns that mistakes are a part of life, even with adults, and when you see someone make one you should always speak up.

The boys choose to take in a lamb from the farm for the evening, but this becomes chaotic for Diesel when the entire flock joins them at the sheds. Once everything is sorted, the engines learn that interacting with animals can

Song: "Peep! Peep! We're Counting Sheep"

Thomas and Diesel are determined to win a race so that a new tunnel can be named after one of them, but the others want them to join them in watching a butterfly migration. After the pair forfeit, they learn that something such as a chance at glory does not come before being with friends.

When Carly does not return from saving Emily from an accidental derailing, a worried Sandy recruits the help of a bored Diesel to find her best gal pal. The unlikely pair become detectives.

Song: "How to Solve a Mystery"

Song: "Sandy's Strengths"

Song: "The Sodor Shanty"

Song: "When You Go to Sea"

Song: "Blues Buddy"

A potentially fun day gets ruined for Percy when an overly-competitive Thomas and Diesel force him to be the judge in all of their competitions. Eventually, he snaps under pressure, having had enough of the pair's poor sportsmanship. After making up, Thomas and Diesel learn that poor sportsmanship can ruin the days of more than just the competitors of a competition.

Song: "Good Sports"

When Thomas and Percy transport an unlucky boxcar of bananas, Thomas starts to have bad luck wherever he goes and must find a way to break the curse.

Song: "Work Together"

Song: "Friendship Map"

Song: "Talking Makes It Better"

Song: "Take a Closer look"

Song: "The Waiting Game"

Song: "The Sights of Sodor"

Song: "Worth Doing Right"

Song: "Abraca-Diesel"

Song: "Stuff"

Song: "Instead"

Song: "I Wish"

Song: "Make Things Right"

Song: "Find A New Way"

Song: "Building Better for Everyone"

Song: "Slow It on Down"

Song: "When the Night Comes On"

Song: "Quackity Quack"

Song: "Winter Games"

Song: "The Smells of Sodor"

Kana discovers that speed isn't the only element a racer needs to win when a failed practice run forces Thomas to replace Kenji as her partner in the current Sodor Cup. As the 2 run the course of the competition, she learns that when it comes to racing, it also helps to be patient, calm, and strategic.

Guest stars: Humberly Gonzalez as Farona, Thomas Santoro as Frederico, Addison Holley as Riff, and Evany Rosen as Jiff

Note: The original UK release featured Bruce Dow as Sir Topham Hatt and the same voices for the special's new characters as the US release. Later releases in the UK replaced their lines with new ones, with Tom Dussek as Sir Topham Hatt, Matt Coles as Frederico, and Jessica Carroll as Riff, Jiff and Farona.

When a mysterious rumbling in the mines scares off Thomas and Percy, the Biggest Adventure Club works together to solve the mystery.