Series Five to air in the US on BBC America!
Digital Spy reports that BBC America has picked up series (season) five. Most of us in the US expected that when Sci-Fi (now SyFy) dropped the show from it's schedule, so it's no real surprise.
Anyway, here is the link to the story:
BTW: BBC America's web-site says the 5th series will air in spring - nothing more definite has been given.