The Secret World of Og is a children's adventure about three young girls who venture into an underground cavern beneath their playhouse to look for their lost baby brother. There, they discover a land of little green people who are enamored by the world above but won't allow anyone to leave their cavern for fear they might "tell".

• DirectorSteve Lumley
• Release30 April 1983
• Genre
  Animation / Adventure
• Duration1h 11m
• Budget?
• Revenue?
• Rate
  

  4.2
  3 reviews
• Productions

  Hanna-Barbera Australia