Tom and Jun take a risk in revealing the secret of the Hidden Realm to D’Angelo to aid an injured dragon, and D’Angelo bonds with Plowhorn.

Tom and the others debate how to keep the dragons a secret, even as a rambunctious young “cloaking” dragon gets loose in town and pursues a friendship with a Alex.

Tom and Jun encounter unexpected dangers and are separated while exploring the Hidden Realm of dragons. Tom introduces Jun to the dragon world, and Jun bonds with a dragon of her own – Wu and Wei.

Tom and the Riders try to save ICARIS when it's revealed to be in danger from a monstrous dragon.

Tom forges a friendship with the dragon and discovers an entire world of dragons within the fissure.

After a fight with her mom, Jun joins Tom on an adventure into the Fire Realm, where her knowledge of myths saves the day.

Tom and the riders help Thunder, who is seeking revenge against the dragons that chased off his family.

Tom hatches an unorthodox plan to use a Monstrous Nightmare to test Alex's new fire suit, endangering the secret of dragons.

When a tiny Fireworm dragon ends up at ICARIS, Alex must decide between her mom's excitement and keeping the dragon secret.

The dragon riders must sneak a very sick Magma Breather into the ICARIS infirmary.

Tom and Thunder discover a baby Nightlight and must bring him back to Thunder’s home realm.

When Thunder’s clan of fellow Nightlights is attacked by the Snow Wraith, Tom vows to rescue them.

Tom and the riders go in search of Thunder and must face a gauntlet of dangerous dragons to find their lost friend. Along the way, Tom reveals his big secret to D’Angelo and Alex.

Eugene discovers the Lair and demands a dragon of his own.

Tom and Thunder train a new species of aggressive tidal dragons to help the other riders put out a forest fire threatening ICARIS.

Tom and the riders discover the Ice Realm and find Buzzsaw inside.

When Feather is taken by a group of what appear to be zombie dragons, Alex finds her inner hero and rescues her friend.

Alex and Eugene find themselves at odds with Tom and their fellow dragon riders when Feathers and Webmaster go missing during a blizzard in the Ice Realm.

Tom’s leadership abilities come into question by Eugene when his decisions lead to failure while attempting to confront Buzzsaw.

When a deep freeze puts the lives of everyone in Rakke Town in jeopardy, the riders must attempt to use the dragons to get the humans through the night without being seen.

Moving to an exotic new home, an adventurous teenager meets a new group of kids and discovers a dragon in the fissure.

Tom has to keep his mom, Olivia, distracted while Jun, Alex, and D’Angelo use a new dragon to close off a cave leading to the Crystal Realm, and prevent her from discovering the dragons.

The Sky Torcher and Flame Throwers invade the Crystal Realm; Tom must conquer his demons and bond with the Fault Ripper to defeat the Sky Torcher.

Jun struggles to convince Tom to trust her faith in myths over the Book of Dragons when they venture to a place that his book seems to say is extremely dangerous.

While punished, Tom must sneak out to rescue the Riders from Buzzsaw.