A Slumber Sprite puts Gruffi to sleep, requiring Grammi and Cubbi to trek across hostile terrain to find the sprite and keep Gruffi from suffering nasty accidents.
Duke Igthorn sends a cursed gargoyle to King Gregor. The gargoyle comes alive at night and starts trying to destroy things – including the king himself.
Grammi believes it is time to teach another Gummi Bear how to make Gummiberry juice. Sunni is chosen as the most eligible candidate, but is more into fashion and spending time with Calla. The Ogres kidnap Grammi and take her to Castle Drekmore, where Duke Igthorn attempts to coax the recipe for Gummiberry juice from her. When the Gummis go on a rescue mission, they request Sunni to follow and bring some Gummiberry juice, which Sunni does not know how to make because she failed to pay attention to Grammi's lessons.
Duke Igthorn catapults Toadie into the forest, where he accidentally makes his way into Gummi Glen and begins snooping around. When Tummi, who has been caught eating the other bears' picnic lunches and lying about it, sees him, no one believes him when he tries to tell them.
A Slumber Sprite puts Gruffi to sleep, requiring Grammi and Cubbi to trek across hostile terrain to find the sprite and keep Gruffi from suffering nasty accidents.
The Gummies find a Gummiscope, a gigantic machine that harnesses sunlight as a means of long-range communication, that could allow them to make contact with the Great Gummis across the ocean – but it can also be used as a weapon, causing Duke Igthorn to use it as a laser-type weapon to force King Gregor into surrender.
Join the world’s sweetest heroes for high adventure in a mystical land of giants and wizards, ogres and dragons, and wondrous creatures both good and evil. Meet Gruffi, Zummi, Cubbi, Grammi, Tummi, Sunni, and all the legendary Gummis as they laugh, play, foil dastardly plots, and fight for what's right.