Tummi, Sunni, and Cubbi learn the secret recipe for their favorite sweet treat but run into trouble when they try to make it themselves. / Toadie's cousin Tad convinces the Ogres to overthrow Duke Igthorn and install him in his place. When he orders the destruction of the Gummiberry bushes, the Gummi Bears reluctantly help Igthorn regain power to save their berries.