Tayo and Gani become fire engines. Have you ever imagined our little buses become fire trucks? Anyhow, they thought they would do an amazing job but putting down fire in emergency situations isn't easy!

Rogi's silly side that we all know went funny this time! Rogi decides that he wants to be on TV with extraordinary challenges. He tries to take the most passengers on his bus, try not to take a shower for the longest days and so on. What's his next extraordinary challenge?

Peanut gets to take passenger Hans, who's the cellist. Hans accidentally forgets his cello on Peanut's bus so Peanut tries to find Hans to give his cello back. But, what's Hans is afraid of?

Speed and Shine are the best friends in town. As they promised to stick together, Shine tries to become a model and goes to try the contest. The good news is the winner gets to go abroad and be a vehicle model. But Speedy gets sad that Shine might go abroad... Will a fantastic pair together?

Tayo gets embarrassed when kindergarten kids ask who's faster between the bus or train. Tayo ultimately promises to run a race with Titipo. After hearing the news, the little buses decided to help Tayo preparing for the race.

A new rescuer Jay just joined the Emergency Center! Welcome, Jay! As Lani tries to become the best friend of Jay, it sounds like Jay always tells Lani not to do things Lani wants to do. Will they become good friends together?

Tayo has many many friends but, a bird friend? A bird builds a nest on top of Tayo's bus and Tayo has been frustrated since he can't do anything because of the bird. Whats is Tayo going to do?

Duri and his kindergarten friends going to the farm with Kinder. As Kinder tried to help other friends, especially Duri, it doesn't go away the Kinder thinks. What is exactly Kinder doing at the farm?

Do you guys remember the playground that Citu built for the little buses? Well, it looks like that rain destroyed the playground. Then, where are the little buses going to play?

Tony eagerly prepares a rap performance to take part in the Namsan Festival but makes a big mistake. The little buses try to cheer Tony up in different ways, but they fail. The little buses set up a small stage for Tony and make an opportunity to make up for the mistake.

One day, because of Rogi's stuff in a garage, Heart has flat tires. Because of this, Heart is dissatisfied with the things Rogi has arranged but finds a favorite rear wing among new items. Heart puts the rear wing on her body, but she can't turn it back because of the errand from Hana. Meanwhile, Rogi and the little buses start looking for the rear wing, and Heart secretly tries to bring it back.

The little buses go to the concert hall to see Joey's magic performance, but there is no audience. The little buses get bored throughout the show, as they are used to Joey's magic. Joey is a little depressed. The little buses try to create a new magical performance for Joey, search for their favorite spots, and find ideas for a new magical performance.

Tayo meets Duri's father on the road and finds out that Duri's father could not play with Duri. Soon after hearing about Duri's birthday, Tayo tells him that Duri wanted to have a limited edition toy of Guardian X. However, Tayo and Duri's father failed to get a toy, headed to Guardian X's studio to get a real Guardian X's autograph.

As Gani always helps out other friends, sometimes he misses his chances to do something, such as taking a shower or going to see a movie! Rogi suggests to Gani that he should think of him first. What do you think?

Little buses go to the United States because of Tayo who applied for the "Hollywood Shooting Field Trip" program. Little buses that arrive in the United States decide to take a tour before the field trip, but those who are dissatisfied with Tayo's arbitrary actions will fight Tayo and enjoy sightseeing separately. On the other hand, Tayo loses the ticket, but is misunderstood as a staff and accidentally enters the shooting site and meets famo...

Tayo is told Miley's story and helps Miley to meet her friends. After becoming an actress, Miley couldn't meet her friends. Tayo realizes the importance of friends by reuniting with Miley and her friends. With the help of Miley, Tayo reconciles with the little buses, gets the best treatment, and returns with Miley on the streets of the star, leaving handprints.

Rogi thinks that things happening around him haven't been unlucky. So he asks his friends how to be a lucky bus and other bus friends suggest that Genie is the lucky charm.

Lolly is the new city tour bus who is doing training with Cito. Lolly seems smart and a hard-working bus but other buses think she should take a break and look around too.

Booba visits the little buses at the garage to spend his vacation. As he wishes to spend his vacation as a relaxed time, little buses insist to take him to an amusement park. Amusement park? Would Booba likes to spend his vacation with little buses?

Tayo and Rogi run into Windy and he says that he just got back from camping. Windy suggests that buses should go camping together and they did! But, you know Rogi and Tayo, they start to argue over what to prepare for camping. Will their first camping go well?

Heart wants to grow bigger since she's the some of the smaller cars in town. So, she made a wish, and guess what? she became as big as other cars. Can you believe it? and How could it happen?

Trammy wishes that she could have wheels like other buses. Then she could hang out with them all the time! But she's a tram so that wouldn't happen, right? But what if, there's magic and if she could have wheels like Tayo?

As Lani learns that having good friends is one thing that you can be thankful for, she decides to prepare gifts for her bus friends Tayo, Rogi, and Gani. What presents will she give to them?

Iracha is a hard-working delivery in town but he's been making mistakes often recently. As Jay finds out what bothers Iracha, Jay decides to help him to train so he wouldn't cause or get in an accident on the roads.