G.I. Joe: A Real American Hero - Season 4 Episode 9
Cobra Commander believes a hidden city under the sea will make him rich, but both the Joes and Cobra find out it holds a more dangerous secret...
- Zhanri: Animation, Action & Adventure
- Studio: Syndication
- Fjalen: based on comic, based on toy, terrorism, gi joe
- Cast: Ted Harrison, Christopher Collins, Maurice LaMarche, Don Brown, Garry Chalk, Morgan Lofting