The Game of Thrones actor told Metro that aside from reality shows, British TV is improving.
"It seems to be getting better. Every now and then we'll come up with something really good - the tried-and-tested format of Downton Abbey goes on and The Hour is very well made," Dance said.
"Secret State was pretty bloody good but we also turn out a load of s**t - I'm thinking principally of the worst of reality TV, which is mind-numbing."
Asked if he ever watched such shows, he added: "Only Gareth Malone's choir shows - his love of what he does and his enthusiasm is infectious and he finds great talent in people who probably think they didn't have any.
"That's the only one I watch. I think the rest is s***e."
Charles Dance in Sky Atlantic comedy shorts Common Ground - photo gallery: