Happy Valley season 3: Everything you need to know
Happy Valley season 3: Everything you need to know Sam Ashurst, Morgan Jeffery Happy Valley spoilers follow. Happy Valley hit big in 2014 with a first series that delivered heartbreak, thrills, laughs and a formidable lead performance from Sarah Lancashire as haunted Northern police sergeant Catherine Cawood. Two years later and the follow-up surprised many by being every bit as good as the first. Better even, some would argue. But that was more than four and half years ago. So, what's next for that troubled town, and when can we expect a return to Happy Valley? Happy Vall...