oz old tv series released hbo shows life one security prison called oswald main plot focused emerald city one prison levelsbr br oz amazing plot outstanding cast many characters almost interesting basically divided groups gangs sicilians black people aryans gays latinos many others specific group deal many others like ryan oreily the irishbr br the plot well built lot conspiracy inside lot fight power exposed form violence intelligent smart nothing happens without reason connected interesting guess really love series wanna see something intelligent well produced good cast performances must see oz