I watched the last season on Sky. It is a nice way to finish the series. The individual consequences it comes to whistleblowers and to citizen journalism and about how journalists deal with it. The creators of the series have the individual characters well developed to make the conflicts visible and tangible. The series takes up the cudgels for good journalism and shows at the same time that this is not so easy.
There are a couple of nice moments in this season. The characters have matured. One of my favorite scenes is in the sixth episode, where parts of the crew making music together.