User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/Series 5 will be the last! - unless we act now!/@comment-93.82.107.88-20120908084724

This twitter message doesn't seem to mean the end of the whole series, but the end of filming for series 5?!