It doesn’t happen often that an American colossus like Viacom sets its sights on an Italian animation studio — and then, rather than snapping it up outright, agrees to purchase just a minority stake.

With Fate: The Winx Saga, Netflix has put a dark spin on a TV classic. While the original animated Winx Club was a children's cartoon about a school for fairies, this reboot is a darker, steamier tale ...