Hélikè, la cité engloutie
- Blwyddyn: 2023
- Gwlad: France
- Genre: Documentary, Mystery
- Stiwdio: Windfall Films, France Télévisions
- Allweddair: greece, ancient greece, archeological dig, archeology, documentary, archéologue, historical documentary, archéologie, science documentary
- Cyfarwyddwr: Nathan Budd
- Cast: