There is nothing to cheer about the return of Cosmos. It's not science, instead it's more of the popularized punditry that distorts science into an absolute dogma with a cynical agenda
The reemergence of Cosmos could not have come at a better time, not because it has something to teach us about science, but because are living in Sagan's world where real science is harder than ever to come by.
Carl Sagan was the country's leading practitioner of the mythologization of science, transforming a process into a philosophy, substituting political agendas for inquiry and arrogance for research. Sagan was often wrong, but it didn't matter because his errors were scientific, rather than ideological or theological. He could be wrong as many times as he wanted, as long as he wasn't wrong politically..