Epiosode 39 of the hugely successful German crime serial "Der Kommissar" which started 1969 by ZDF - more than 1 year before the ARD "Tatort" serial.
Those were the days when there were just 2 (!) TV channels available in Germany, so every evening, you had to decide if you watched ARD or ZDF, meaning that either channel had about 10-15 million viewers each evening!
"Der Kommiss...
