Danny Dragonbreath and his friend Wendell get an up-close underwater tour of the Sargasso Sea from Danny's sea-serpent cousin, encountering giant squid and mako sharks--and learn about standing up to bullies in the process.
Not only must Danny and Wendell trick-or-treat with skeptical classmate Christiana, school bully Big Eddy dares them to enter a haunted house on Halloween night, where they may have to sacrifice their candy to a ghost.
Danny Dragonbreath and Wendell travel to Mexico to visit Danny's bat specialist cousin, but when a giant bat monster kidnaps Danny, Wendell gets his chance to play hero and save his friend before the bat monster makes Danny a permanent addition to her bat family.
Danny Dragonbreath and his friend Wendell try to stop the school from being infected after Wendell is bit by an odd looking hot dog and starts turning into a were-wiener.
Danny's mother has disappeared into a fairy ring growing in her backyard vegetable garden, and Danny and his friends, Wendell and Christiana, must go to Faerie to try to save her.
Danny Dragonbreath is excited about going to camp with his best friend Wendell and classmate Christiana even though his obnoxious, seven-year-old cousin Spencer is going too, but things change when Spencer finds a real jackalope.
Wendell the iguana's dreams are all nightmares and a Dream Wasp wants him as a host for her eggs, so Danny the dragon, Suki the salamander, and Great-Grandfather Dragonbreath enter Wendell's dreams to defeat the wasp.