Orphan Black has been renewed for a fifth and final season of 10 episodes, due to air in 2017.
The show recently concluded its excellent fourth season on a series of major cliffhangers, so it's good to know that they will be resolved. More impressively, co-creators John Fawecett and Graeme Manson had planned a five-year arc for the series at an outset, so they will get to end the show on their terms and in the way they'd wanted all along.
The show has also done well to hang onto star Tatiana Maslany, who has been festooned with awards and nominations for her challenging role playing a multitude of different clones on the series. I suspect she has a bright career ahead on other TV shows and in Hollywood.
All four seasons of the show are currently available to watch on Netflix in the UK and Ireland, for those who haven't caught up yet.