The Secret World of OG
- Ano: 1983
- País: United States of America
- Xénero: Animation, Adventure, Family
- Estudo: Australian Broadcasting Corporation
- Palabra clave: underground world, underground cavern
- Director: Steve Lumley
- Reparto: Fred Travalena, Janet Waldo, Noelle North, Josh Rodine, Marissa Mendenhall, Julie McWhirter