Came out a few years ago, but I honestly think it is much better than most "Superhero Group" movies. Also has two prominent characters of "Game of Thrones." I will say the ending of season 3 is perfect. They added additional seasons, but I recommend only the first 3.
Excellent show. But a drop off once Nathan left IIRC. It was years ago that I watched it. Pretty sure an American crappy remake is in the works.
Hulu. As the other poster said, fantastic show. I also recommend the first 3 seasons and that's about it. There was definitely a noticeable loss after Nathan leaves at the end of the first season, he was awesome. I'm kind of surprised I haven't seen him in anything else.