Alpha Alpha was a 1972 German science fiction fantasy television series which aired on ZDF. It starred Karl Michael Vogler, Lilith Ungerer, Arthur Brauss and Horst Sachtleben. Each episode was only 25 minutes long, the series lasted only one season. Karl Michael Vogler played agent alpha of an unnamed secret organization, investigating mysteries, technical and psychic phenomena and even alien encounters. Alpha Alpha's tenor is comparable to the later X-Files drama television series.

• Karl Michael Vogler
• Lilith Ungerer
• Arthur Brauss
• Horst Sachtleben
• Gisela Hoeter