Der römische Weg
23rd December 1973Das Nest im Urwald
25th December 1973Das Wasserschloß
26th December 1973Ein merkwürdiger Anschlag
2nd February 1975Das Geheimnis der Masken
4th February 1975Rätsel des Fjords
25th December 1975Depot im Skagerrak
25th December 1975Mörder machen keine Pause
25th December 1975Sieben Augen hat der Pfau
26th December 1975The Invisible Visor was an East German television series, broadcast with long intervals between 1973 and 1979. In its first and longest season it starred Armin Mueller-Stahl in the role of Werner Bredebusch, a Stasi agent active abroad under the alias Achim Detjen.