Synopsis

During a visit to their grandparents, the children embark on a project: constructing and racing a magnificent hot air balloon. Elsewhere, Candace finds herself invigorated by the resolute spirit of train engineer Glenda and resolves to abandon her efforts to catch her brothers in the act. Meanwhile, Dr. Doofenshmirtz discovers a Dodo egg and becomes convinced it holds the key to a monstrous avian ally, capable of facilitating his conquest of the Tri-state region. His ambitions, however, are dash