Watch KLK Calling PTZ – The Red Orchestra (1971) Online
- RUNTIME: 2h 58m
- COUNTRIES: East Germany
- Subtitles: Deutsch
East German film about the history of Red Orchestra, a real life German pro-Soviet spy ring created after the rise of Hitler that turned into a resistance movement led by a leftist Nazi officer, Harro Schulze-Boysen, and Arvid Harnack.