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

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.

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.

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.

Thunder must wrangle and lead the Hero Dragons in a desperate attempt to save Tom and the riders from a dangerous new dragon, The Glass Caster.

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

Tom attempts to defeat the World Serpent by emulating Hiccup.

Tom’s overconfidence turns to frustration then despair as he struggles to procure the ingredients for Gronckle Iron in hopes of building a trap to stop the World Serpent.

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.

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.

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

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.

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.

Jun forms an unlikely connection with Sledkin.

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

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

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

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

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

Tom orchestrates a “safe” tour of the realms to convince Olivia that the Hidden World is safe for them to explore.

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

Tom and D’Angelo must come together to help Alex and Jun escape the clutches of the Spiderwings.

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.