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

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.

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.

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

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

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

Tom and the riders must work together to rescue Eugene from a dragon’s nest.

Tom sets out to prove Sledkin caused an explosion that injured a dragon in the Hidden World.

When the dragons fall victim to Buzzsaw’s poison darts, D struggles to keep a cool head and find a cure while others panic.

Tom and the riders “borrow” the bathysphere to rescue a dragon from the depths of the Giant Realm Sea.

When Phil threatens to shut down D’Angelo’s new dragon hospital and ban dragons from ICARIS, D’Angelo and a little Hobgobbler have to change his mind.

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.

With the dragon riders disbanded, Eugene attempts to start his own Dragon Club.

When Thunder accidentally fries Alex’s tablet, Alex goes off on her own and is captured by Buzzsaw.

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.

The Dragon riders enlist the aid of Carla and Hazel and their scientific knowledge to help them prepare for a mission to neutralize Jörmungandr so they can return him to his chamber and seal him back inside.

Tom and the riders must rescue Plowhorn from Sledkin when the villain abducts the dragon to help her find the Gods Realm and the Dragonsite jewel.

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.