The last bit of the show will be filmed in January and according to the show's official twitter account, it could be on our screens as early as February.
Their twitter account also says that they will tell us more once they hit 3000 followers, so, if you're not already following them, get yourself over to twitter and rectify your oversight as soon as possible! They are at 2988 at the time of writing, so only 12 more people needed!