After moving to a new house, a 6-year-old girl named Emmy and her little 4-year-old brother named Max find a magical dragon scale that takes them to Dragon Land, a place where they meet magical dragon friends, Cassie, Ord, Zak and Wheezie the 2-headed dragon, and Quetzal the teacher at their School in the Sky.

When Ord becomes afraid of the dark, his friends show him that even a little light takes the darkness away and that there is nothing to fear after all.

Ord's selfishness by refusing to share anything with his friends at a beach party, especially a "wishing shell" he finds, sends him and then everyone else to a strange and unfamiliar land called “Kingdom Come” with no way home, since the owner, Mounsieur Marmadune, also refuses to share the key with them to let them out. However, Ord later learns that sharing with friends can make any wish come true.

Cassie has a new pet Caterpoozle called Poozie. When Cassie finds Poozie wrapped in some white stuff, everybody thinks she died. However, it is later discovered that Poozie changed into a Butterfairy.

Max becomes clumsy when it comes on learning how to tie knots and has lots of trouble on learning how to tie one. But when Whinny, the carousel pony, is missing and the dragons rescue her, Max discovers that knots are not a big problem after all.

It’s Ord’s birthday, but his friends don't have time to play with him. Feeling sad, Ord seeks out Quetzal who tells him to share his feelings with his friends. Afterwards, everybody gives him the best birthday ever, and little did he know that his friends were planning to make a surprise party for him.

Emmy dislikes losing, and while everyone plays freeze dance, she is always the first one to be eliminated from the game by being called out. Emmy decides to quit the game and heads home early, but Quetzal shows her that playing can be more fun than winning.

During practice for the Dragon Land talent show, Zak gets a thorn stuck in his foot after accidentally stepping on a Spiny-Pine and has to go to Dr. Booboogone, but he's very worried since has never been to the doctor before and is frightened. However, Dr. Booboogone shows that doctors are only there to help.

The group runs out of paint as they are finishing their I-Love-My-Mommy Day gifts. They set off for Rainbow Canyon to find more colors. However, when their map breaks, they must work as a team to put the pieces back together.

Melodious Do-Re-Mi birds flee in fright when the dragons and kids loudly join their early morning concert. Confident Zak knows that his gentle song will bring them back, but everyone else keeps ignoring him and scaring them away with their loud noises.

Quetzal tells Max and Ord to meet him at the Snow Dragon in the Stickleback Mountains, but they get lost in the snow on the way.

Max is enraged after losing Dragon Tag and throws a pod whipping it at a tree, releasing a Fury, a little creature who grows bigger when someone gets angry. To stop him from getting even bigger, Emmy and the dragons help Max control his anger.

Zak and Wheezie practice for tonight's concert hosted by Quetzal at Singing Springs, but they war over various songs they wanted to play and disturb the nap of a twelve-inch creature known eponymously as "The Giant of Nod". He desperately throws them in a tree trunk, so it's up to them to save the gang so they can make it to the concert.

Zak and Wheezie are having a sleepover, but Cassie is too homesick to go. Bringing something familiar from home helps, especially when she finds out how much fun sleepovers really are.

Ord wants to give his mother a very special birthday gift, so the Doodle Fairy draws a map to a meadow full of Giggle Flowers.

Cassie notices that all her friends have special talents except her, so she goes to the Talent Pool to finds a talent. However, the Pool turns out to be grumpy and refuses to give Cassie a talent.

A Purple Goo Cloud is going to rain all over Dragon Land, so everyone builds a tree house to shelter. However, Emmy becomes bossy and wants everything to be done her own way, until she learns how to share with her friends and give them what they want.

The friends embark on full sail to Rainbow Canyon, but Ord is too big for the boat and feels bad until he saves his friends from going out of a cave and over a waterfall.

Cyrus, a Slinky Serpent, steals a Rhyme Bird egg and Cassie feels let down that she did not speak up when needed.

Ord finds riding a bike for the first time is too hard and quits. Luckily, his friends lend a helping hand and Ord tries over and over again until he succeeds.

The friends help an air pirate, Captain Scallywag, find buried treasure.

The kids and dragons want to do a "Three Little Pigs" puppet show, but Zak, Wheezie, and Emmy argue over wanting to be the Big Bad Wolf at the same time, until Emmy decides to add a fourth pig to the story while she lets Zak and Wheezie play the wolf.

The Do-Re-Mi birds (from “Zak’s Song) have been kidnapped, and it is up to Emmy, Max, Zak & Wheezie to come to their rescue. When they learn that a giant named Mungus took the birds because he loves their songs, they teach him how to make his own music.

Cassie doesn't know how to roller skate and she needs to get her Jingle Flowers to Singing Springs on time.

Zak and Wheezie have had enough of always having to do what the other wants to do and wish they became separated from each other, so Quetzal gives them crystals that separates them. However, when they build a musical playground, they discover that they actually need each other more than previously thought.

Quetzal is sick and cannot help the gang make their kites, so the gang decides to surprise him by making their own kites.

The Dragon Fair has come to town and Zak and Wheezie are in the Sackberry Toss, but their biggest challenge is catching it. Luckily, Emmy helps them get better at their catching by practicing with a ball.

Cassie is excited about the School-in-the-Sky Parade, but she gets very upset and feels left out when her name is not picked and realizes she cannot ride on the Book Float. She feels sorry for herself until she meets Cosmo, a flower who also got rejected from the parade.

Max is nervous about his first day of school until Emmy takes him to the School in the Sky where Quetzal advises them, "When you're stuck, don't give up! Try something new".

The kids and dragons go on a quest to save Max's favorite comic book superhero, Mondo Mouse, from the Catnapper, using his "Mondo Mouse" comic book and 3D glasses.