Does dog enjoy watching tv?
Various kinds of Dogs have very different vision compared to us. The older style television was simply a series of images flashing up on the screen, which to our slow human eyes looked continuous. Dogs have a faster flicker rate. Their brains pick up more images from their retina per second, so TV would have appeared as a series of flashing images. That has now changed with digital television. So,I think dogs are not enjoy watching tv.
So I think you have got your answer.