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

Jun breaks the rules by sneaking a small, adorable dragon out of the Crystal Realm and bringing it home, but finds that her older brother, Eugene, has arrived and watches her every move.

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 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.

During an attempt to get displaced Fire Gronckles back to their native realm, D'Angelo accidentally feeds them Catastrophic Quaken eggs.

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

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

A mischievous new breed of dragons called Vine Tails steal the Book of Dragons.

Tom must rescue Olivia from the Hidden World when she winds up getting herself frozen by a pack of hungry Speed Stingers.

When the parents leave for the night and tell the riders not to bring the dragons to the surface while they’re gone, D’Angelo and Eugene get locked in the hangar (with the dragons!) after Eugene triggers a security lockdown.

Eugene’s bond with Webmaster is put to the test when Webmaster leaves the group for a pack of Deathgrippers.

While Tom struggles with admitting his feelings for Jun, the pair find themselves trapped inside a giant tree with an anxious colony of Woodchipper dragons.

When Jun does a Tarot reading for the team, she interprets its meaning to be that the riders will disband! In an effort to defy this fate, Jun forces the group to stick together as they search for a dragon that has breached the Rakke Town eel barrier.

Tom and the riders must finally overcome their differences and come together as a team to survive the Dark Realm.

Tom and the dragon riders foster displaced Hidden Realm dragons in Rakke Town but things get complicated when Mr. Rakke makes a surprise visit.

After a major miscalculation by Tom in 225 leaves the fate of the Realms in jeopardy, Jun and the riders rally behind Tom and Thunder to face off against the World Serpent.