The story is about a group of eight young "Toadlet" siblings and their struggle for survival in The Great Forest.
The Ancients are quite powerful and knowledgeable in shamanistic like magic. According to legend; they had created Toad Hollow, left many symbols of their existence behind and had eventually disappeared. Now, due to unknown reasons, the Toads have to abandon the forest and migrate to Toad Hollow. Toad Hollow is basically a giant haven, home to many Toads. The only way to enter Toad Hollow is a gateway known as the Fairy Ring. Or at least, this is the only way that will prevent one from becoming a Toadstool after the ring closes. This portal of sorts opens and closes in random areas of the forest annually, and any who miss the Ring end up stranded or turn into a toadstool.
The main characters are late born Toadlets who missed the great migration. Unable to figure out what to do, they are greeted by a wandering Toad sage named Mistle Toad. He tells them about the Fairy Ring and how to find it. It's not known exactly where it is because the location changes every year. It is revealed shortly after that the youngest of the eight toadlets, Panther Cap, has the ability to hear what certain "Lightning Oaks" (called Thunder Trees by the toadlets) are saying, and can also home in on these trees telepathically with the use of an acorn.
Along their journey, every member of the group develops a special skill which they use to contribute to the group's survival. They also meet Earth Star, a young Toadlet musician who was part of a previous group of Toadlets who failed to find the Fairy Ring in time and all turned into Toadstools.
The series lasted two seasons, 13 episodes each. The first follows the Toadlets as they find the Fairy Ring. In the second season, when in Toad Hollow, Panther Cap hears Mistle Toad calling out for help. Eventually after telling the others, they set out to find and rescue him.