Episode 1.6 reached the highest official rating in German television except sports broadcasts. It was watched by 27.97 million viewers (17 November 1985).
Originally composer Martin Böttcher wrote a title theme for this series, but it was changed to the theme by 'Hans Hammerschmid'. But the music wasn't lost, it was used instead for the series Forsthaus Falkenau (1989).
Was translated into 37 languages.
Armin Mueller-Stahl was offered the part of Prof. Brinkmann. Mueller-Stahl did not want to commit to a long-running TV-series at the time, so he turned the producers down.