None of my dogs have ever watched t.v, they don't respond to sounds or even dogs running agility/flyball etc.
But my new pup, is an avid t.v watcher. She gets very excited by dog sports and kill scenes from the doc. on lions etc. Dogs in general on t.v get her attention and so does seeing children.
My husband told me the other day, that he put a channel on that had just the sounds of nature on it and she got very excited lol.
If I am studying agility video's of Petie and I running agility, I have to put her in her crate in another room, she carries on so much lol.
This is new experience for me and I find I watch her alot and how she responds.