Fate Stay Night Unlimited Blade Works and Heaven's Feel

Fate Stay Night unlimited blade works and Heaven's feel are just different endings to Fate Stay Night. They all start at the same starting point, but that's not made apparent in the anime adaptations. "You don't need a college degree or a PhD to understand what the fuck is going on to watch it" If you want to get into fate, 'just watch fade zero and unlimited blade works,' he says.