Watch Sonic Underground Episode 36 English dubbed online free episodes with HQ / high quality. Stream Anime Sonic Underground Episode 36 English version Sleepers Robotnik invents a new dart that induces sleep and sends them after the resistance. It’s up to the hedgehogs to stop them from the source. But they run into trouble when Manic is hit by the sleeper darts. Nevertheless, after destroying the sleepers, they must destroy the fuel source in the Bad Lands’ Mine.