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

Tom and the riders go in search of Thunder and face dangerous dragons; Tom reveals his big secret.

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

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

When Feather is taken by a group of zombie dragons, Alex finds her inner hero to rescue her friend.

Tom distracts his mom while the riders use a new dragon to close off a cave.

Jun breaks the rules by sneaking a small dragon out of the Crystal Realm and bringing it home.