Heidis Alptraum () Documentary, Switzerland Heidis Alptraum () Duration: Description: Everyone knows Heidi. But who knows Johanna Spyri, her inventor? The documentary film “Heidis nightmare” (Heidis Alptraum (German title) / Le cauchemar de Heidi (French title) looks behind the Heidi cliche and undertakes a search ….. Trailer ↗ Switzerland Documentary