Tayo is nervous as he goes to take the city bus license exam. He overcomes his nervousness with Nuri the taxi’s moral support and passes the exam with flying colors. He follows a double-decker bus Cito to his new home, the garage. Tayo meets Speed on the way, who lures him into a race on the riverside road. Speed ends up having an accident and gets towed away. The police, Pat and Rookie, let Tayo off with a warning and he follows Cito back ho...

Cito gives Tayo a tour of the garage. From the repair shop to the car wash to the training center, Tayo finds everything fascinating and fun. Tayo is left by himself when Cito and Rogi go off to work. Curious about the city, Tayo leaves the garage but ends up getting lost. The buses set out on a search for Tayo but to no avail. In the end, Tayo reunites with his friends, thanks to Rookie and Pat, and safely returns home.

Tayo is struggling to become a good driver. One day, a bus breaks down and Tayo is chosen as the substitute. Tayo makes mistake after mistake and becomes discouraged. He starts making rounds again with Lani’s encouragement, but he’s put in an awkward situation when he meets a child who is scared of buses. Tayo thinks on his feet and soothes the child by playing a song by breaking wind and manages to finish the day’s work successfully.

Tayo can’t wait to start working. Cito notices his earnestness and suggests Rogi take Tayo along to work. However, Tayo keeps getting distracted and gets Rogi in trouble. To make things worse, Rogi breaks down and becomes immobilized. Tayo offers to help Rogi finish his rounds by hauling him. Although uneasy, Rogi decides to trust Tayo and lets him take the lead. The two help each other out to finish the rounds and become the best of friends.

Rogi's scary story about the Legendary Ghost Car causes Lani to have a nightmare and become scared of the dark. She mistakes Big for the legendary vehicle while passing through a dark tunnel the next day. Luckily, the misunderstanding is quickly sorted out and the two safely leave the tunnel. When Lani returns to the garage, Rogi and Tayo confess to her that the story is not real. Although Lani gets angry, she brightens up after seeing the sh...

Cito the tour bus is hard at work as always, driving tourists around. Curious about whether the young buses are doing well, he checks up on them whenever he can. Cito spends a busy day helping the buses: Lani, who couldn’t change lanes because of other cars; Big, who was stuck in a road under construction; Rogi, who was helping Big out; and Tayo, who was put in danger because of an old truck. It’s a tiring day for Cito, but the thanks he rece...

Tayo and Rogi have a fight about who’s going to wash first and they leave for work without making up. Meanwhile, a new truck causes a severe traffic jam when he drops the chickens he was transporting on a street downtown. Tayo and Rogi feel awkward when they get stuck in traffic next to each other. They both want to make up but don’t have the courage to do so. All of a sudden, a chicken appears before them. Rookie asks them to catch the chick...

Tayo is envious of Rogi's new tires. He becomes excited when Hana tells Tayo that his new tires are on the way. However, Tony, who was on the way to deliver Tayo's tires to the garage, gets distracted warning cars about keeping the traffic laws, and forgets to make the delivery. Tayo returns home after work anticipating his new tires, but he's let down when he hears that the tires haven’t arrived yet. Tayo and his friends wait all night for T...

A new red bus called Gani joins the buses at the garage. Gani was made with the memory chip from Wondie, a veteran bus who was Hana's close friend. Tayo is glad to have a new friend and shows Gani around the garage. Although Tayo wanted to teach the newcomer all that he knows, Gani turns out to be better at everything than Tayo. He even teaches Tayo a downtown route that he wasn’t aware of. After they return to the garage, Tayo tells Hana tha...

Hana feels traces of her old friend Wondie in Gani, the new bus. Curious if Gani shares Wondie's memories, Hana volunteers to help Gani in driving practice. Unfortunately, Gani turns out to be awkward at everything. Wondering if she had jumped to conclusions, Hana accompanies Gani downtown. However, Gani acts just like Wondi as he helps people in need and acts like he remembers Hana and Wondi’s memories together. Hana finally understands Gani...

Tayo becomes envious when Rogi goes off on a picnic. Speedy suggests a picnic with him and Toto but unfortunately, Tayo has to work. Tayo lies about being sick the next day and gives all his work to Gani so that he can go on a picnic with Speedy and Toto. The three of them come across a broken-down car on their picnic. Toto acts responsibly although it is his day off, and tows the car to the repair shop. Tayo regrets lying about being sick an...

Shine, a luxury car, enjoys the attention he gets from all the young buses when he visits the repair shop in the garage. However, his pride is hurt when Tayo appears with bubbles and steals away all the attention. Shine follows Tayo around acting all important, only to be humiliated in the end. He gets stuck on a road while trying to impress Tayo by driving on a road under construction. To make matters worse, Shine runs out of fuel and faints...

Nuri the taxi promises to watch a TV show called ‘Fireball the Superhero’ with the buses in the garage. Nuri works hard as always, driving her passengers to their destinations as well as helping people out. A suspicious-looking passenger gets in the taxi on Nuri's way to the garage. The passenger turns out to be Fireball in disguise, hiding from his hard-core fans! Nuri kindly takes Fireball to his destination and ends up on the show with him...

Rogi gets greedy and drinks all the new engine oil when Hana is not looking. He starts hiccupping and it hinders his work. Worried, Tayo takes Rogi to the knowledgeable subway train “Met” in hopes that he’ll know how to stop the hiccups. Met blows his horn to scare Rogi and it works. Rogi stops hiccupping. Rogi confesses to Tayo that he hogged the new engine oil and asks for forgiveness. Tayo consoles Rogi and their friendship become even str...

The young buses cheer when Cito and Hana tell them they'll be out of town for a day. The buses have always wanted to stay up, playing until late in the night. The night comes, but Cito and Hana are not there to make them go to bed. The buses stay up playing hide-and-seek, watching TV, and practicing driving. Gani goes over to the repair shop, dizzy from too much driving practice. He's soon joined by Tayo and Rogi as they play hide-and-seek, a...

Hana sends Tayo on an errand to a construction site. There, Tayo meets heavy machinery and gets excited, making the vehicles bicker about who is cooler. They decide to hold a contest to settle the matter, with Tayo as their judge. However, Tayo gives them weird quizzes and embarrassing assignments to carry out. The last assignment, knocking down barrels with tires, leads to havoc when the atmosphere becomes overheated and the construction wal...

Joey the Traveling Magician's show is scheduled to take place at the garage. Under Nuri's direction, Joey waits for Tayo at the number 17 bus stop to get to the garage. However, Tayo doesn’t know this fact and skips that bus stop to return to the garage quickly, hoping to see the show from the front row. Tayo hurries to the bus stop when Nuri tells him that Joey is still there, waiting for him. Joey, who was showing a magic trick to a young g...

Tayo and Rogi invite Frank and Alice to the garage after being awed by seeing them act during a fire. The young buses expect to have a fun time with Frank and Alice, whom they look up to. However, the buses are disappointed when the two just nag them, stopping them from acting as the buses like. All of a sudden, a fire breaks out in the repair shop. Frank and Alice immediately put out the fire and rescue Hana, which makes the young buses look...

Cito is proud of Lani for always doing her best in everything. However, Lani doesn't know how Cito feels about her and instead gets mad at him because of various misunderstandings. It's the final straw when Cito scolds Lani for failing her regular exam. Lani goes off to work angry and refuses to go home. She wanders around from place to place, visiting the fire station and a construction site. In the end, Lani runs out of gas and becomes immo...

Alice lets Tayo get a checkup first before going to work. Later on, Tayo sees Frank and Alice fighting because of her tardiness. Tayo, blaming himself for their fight, comes up with an idea with his friends to help them make up. Tayo goes to Alice with Gani, who is disguised as Frank, and tells her Frank wants to apologize. He goes to Frank with Tony, who is disguised as Alice, and tells him Alice wants to apologize. Unfortunately, Gani makes...

Tayo's head is full of space travel as he goes to bed after watching a meteor shower with his friends. Hana wakes Tayo up and equips him with rockets that will allow him to fly into space. While traveling, Tayo meets Ray, a princess who is running away from Bully the Space Pirate. Tayo manages to give Bully the slip after a close chase and safely takes Princess Ray to Planet Clover. The princess gives Tayo a sticker of clover in return. Tayo ...

While driving riverside with Tayo, Speed and Shine decide to have a race after bickering about who's the faster of the two. Their race is stopped by Rookie and Pat as they scold Speed and Shine for driving dangerously over the speed limit. Next, the two decide to race against the high-speed train when Met tells them that the train is the fastest vehicle in the world. Shine lets his ambition get the better of him and undergoes illegal engine r...

Lani leaves early in the morning for a picnic on her day off. She meets a broken-down preschool bus on the way and offers to pick up the preschoolers instead of the bus. Meanwhile, Tayo and Rogi talk about the fun they imagine Lani must be having on her picnic when she’s actually having a hard time because of the mischievous children. Lani finally arrives at the preschool, tired from the day’s work. But she feels it was all worthwhile when th...

Tayo, Rogi, and Lani get into a fight over who has the toughest round at work. They follow Gani's suggestion of switching rounds and the three do their best on each others' routes. However, they all end up making the passengers unhappy. On the way back home they meet Gani, who is broken down on the road. Gani's passengers ask them to finish his rounds for them and the three recommend each other as the best bus for the job. Now that they under...