Four siblings, each with a vivid imagination, discover their playhouse holds a secret: a trap door leading to an underground city inhabited by green, goblin-like creatures who share their love of fantasy. When their baby sister and pet cat vanish, the siblings, along with their dog, embark on a quest to rescue them, navigating the strange new world and its peculiar inhabitants.
ABC Weekend Specials
The adventures of five siblings, each with unique names, take center stage as they use their vivid imaginations to unravel the mystery of vanishing household items.
