1. April 2000 (1952)
Ciencia ficción política con toques de comedia. En el año 2000 Austria es gobernada por los representantes de las cuatro potencias (EEUU, Inglaterra, Francia y URSS), y el primer ministro austriaco proclama la independencia, mostrando la historia de los últimos cien años.
Directora:
Wolfgang Liebeneiner
Escritores:
Ernst Wolfram Marboe, Rudolf Brunngraber.
| Directing | Wolfgang Liebeneiner | Director |
| Production | Karl Ehrlich | Executive Producer |
| Sound | Robert Stolz | Original Music Composer |
| Camera | Karl Löb | Director of Photography |
| Sound | Alois Melichar | Original Music Composer |
| Editing | Henny Brünsch-Tauschinsky | Editor |
| Writing | Ernst Wolfram Marboe | Screenplay |
| Writing | Rudolf Brunngraber | Screenplay |
| Sound | Josef Fiedler | Original Music Composer |
| Production | Ernst Wolfram Marboe | Producer |
| Art | Otto Niedermoser | Art Direction |
| Camera | Fritz Arno Wagner | Director of Photography |
| Camera | Sepp Ketterer | Director of Photography |