![Sonic Underground](https://image.tmdb.org/t/p/w342/29FVFvLt10iFG6Lyu5tks9IWdXT.jpg)
1 Season
40 Episode
Sonic Underground - Season 1 Episode 13 Artifact
The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction. Sonic and Sonia take one of the pieces to a university professor who informs them that the artifact is actually a bomb from the Mobian war. The Hedgehogs must act fast to retrieve the bomb and protect the treasure that is the key to Mobius past.
- Year: 1999
- Country: France, United States of America
- Genre: Action & Adventure, Animation
- Studio: TF1, Syndication
- Keyword: musical, robot as menace, rebellion, triplet, based on video game, hedgehog, animal protagonist, band
- Director: Jean Chalopin, Robby London, Jean Cheville
- Cast: Jaleel White, Garry Chalk, Maurice LaMarche, Peter Wilds, Gail Webster, Ian James Corlett