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

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

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

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.

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.