Sonic Underground: Secrets of the Chaos Emerald
- Blwyddyn: 2008
- Gwlad: France
- Genre: Action, Adventure, Animation
- Stiwdio: NCircle Entertainment, DiC Entertainment
- Allweddair: rebellion, dystopia, musical, robot as menace, triplet, based on video game, hedgehog, animal protagonist, band
- Cyfarwyddwr: Daniel Sarrie, Marc Boreal, François Hemmen
- Cast: Jaleel White, Brian Drummond, Garry Chalk, Gail Webster, Peter Wilds, Maurice LaMarche