Watch Mad Heidi full movie online 0123movies. Watch Mad Heidi 123movies online for free. Mad Heidi Movies123: In a dystopian Switzerland that has fallen under the fascist rule of an evil cheese tyrant, Heidi lives the pure and simple life in the Swiss Alps. Grandfather Alpöhi does his best to protect Heidi, but her yearning for freedom soon gets her into trouble with the dictator’s henchmen. The innocent girl transforms herself into a kick-ass female fighting force who sets out to liberate the country from the insane cheese fascists.