I stumbled across this site while surfing around and noticed that you can download the complete series of pretty much all the Sonic cartoons there are.
http://www.emuparadise.org/TV-Shows/
Just a fair warning though - there's a fair amount of pop-ups, so be careful. Otherwise, hope you enjoy!
http://www.emuparadise.org/TV-Shows/
Just a fair warning though - there's a fair amount of pop-ups, so be careful. Otherwise, hope you enjoy!