Sonic Underground: Secrets of the Chaos Emerald
- An: 2008
- Pays: France
- Genre: Action, Aventure, Animation
- Studio: NCircle Entertainment, DiC Entertainment
- Mot-clé: rebellion, dystopia, musical, robot as menace, triplet, based on video game, hedgehog, animal protagonist, band
- Réalisateur: Daniel Sarrie, Marc Boreal, François Hemmen
- Jeter: Jaleel White, Brian Drummond, Garry Chalk, Gail Webster, Peter Wilds, Maurice LaMarche