If you want to watch this, which I don't recommend, you can find it for free here:
Watch Robo Vampire on Tubi TV: https://play.google.com/store/apps/details?id=com.tubitv&referrer=utm_campaign%3Dandroid-sharing-amazon-giveaway%26utm_medium%3Dsocial%26utm_source%3Dandroid-social%26utm_content%3D32778056