1 Season
40 Episode
Sonic Underground - Season 1 Episode 36 Sleepers
On a mission in a distant sector of Robotropolis, the Hedgehogs are informed that freedom fighters have disappeared and are going to be roboticized. Sonic races to save his friends, but he is too late. The group of freedom fighters have been robotisized, including Cyrus' father.
- Year : 1999
- Country : France, United States of America
- Genre : Action & Adventure, Animation, Kids
- 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
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