Danny's mother has disappeared into a fairy ring growing in her backyard vegetable garden, and Danny and his friends, Wendell and Chritiana, must go to Faerie to try to save her.

When Danny and Wendell find an injured bat at the neighborhood pool, they take it to Mexico where Danny's cousin, a bat specialist lives, but once there Danny is snatched up by a giant bat monster, and it is up to Wendell to save him.

Wendell the iguana's dreams are all nightmares and a Dream Wasp wants him as a host for her eggs--so, with Great-grandfather Dragonbreath's help, Danny the dragon and Suki the salamander enter Wendell's dreams to try and defeat the wasp.

It's science project time in Ms. Adolf's class. This is good news and bad news for Hank-he loves science, but he hates the report part. So Hank turns to TV to take his mind off things. But when the program directory scrolls by too quickly for Hank to know what's on, he decides to take apart the cable box to try to slow down the crawl. Great! Now Hank has found the perfect science project! But what he wasn't counting on was his sister's pet iguana...