If any of the members have DiSH Network, you can subscribe to the German channel package that includes five German language channels and one Russian movie channel. Not sure why that was included.
Anyhow, on MyGermanTV there is a show called Kommissar Rex about a Kriminal Polizei division that uses a GSD called Rex in the show. It's an Austrian produced show that is in syndicated reruns now, but still a bit interesting to watch the dog perform.
German language with no subtitles, like the rest of the DiSH pack. Brush up on your Deutsch.