The Invisible Visor (Das unsichtbare Visier) 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.

In the 21st century, a global socialist security organization is concerned over a new energy source, of possible alien origin, falling into the hands of one of the last remaining capitalist countries and turned into a super-weapon.