Cubby House (Cubbyhouse) (2001)

Cubby House tells the story of the Graham family, who after relocating from Los Angeles to Australia expect there to be a few cultural differences - but not the demonic prescence that resides at the bottom of the garden. The evil force exists in the form of a cubbyhouse which eldest son Danny suspects is actually the gateway to Hell. When his youngest brother and sister show signs of possession, Danny must battle the growing evil, to uncover a dark secret...the bowels of hell are beckoning...