I wish copyright hadn't let them use this name.
Before Nella The Princess Knight there was a good show called Princess Knight(Ribon no Kishi).
Unlike Nella the Princess Knight, Princess Knight was worth watching. Princess Knight wasn't a badly drawn, badly animated show with voice actors that would get 4 no's if they went on X Factor.
Sapphire, the Princess Knight from the original Princess Knight series was a proper hero. Her steed, Opal, didn't talk, which is a good thing. Unlike Nella' steed, don't know it's name, don't care, it opens it's mouth only to say something stupid.
So why should a search for Princess Knight be littered with this Princess Knight Nella crap?