Secrets of the Unknown: Dreams and Nightmares
- Blwyddyn: 1988
- Gwlad: United States of America
- Genre: Documentary
- Stiwdio: Capital Cities/ABC Video Enterprises
- Allweddair: dreams, nightmares
- Cyfarwyddwr: Graeme Whifler, Glenn Kirschbaum
- Cast: Edward Mulhare
