guys, i need your help! i'd like to know if i need to watch the 114 ep. TV series of saint seiya hades before i proceed on the 13 ep. OVA series (Saint Seiya: The Hades Sanctuary Chapter)? is it self-contained? do i need to refer to the TV series? can the 13 ep. OVA be a stand alone series?

will there be differences if i don't watch the TV series first? will i be able to understand whats going on in the OVA?

need some info and comments...