This on Google tells you about the Date A Live Season 3 Release date and what not. Copy and past the Link into Google. link
But before they release the Date A Live Season 3. First comes the Date A Live Mayuri Judgement Movie. Here is the Trailer for the Date A Live Movie on YouTube. Trailer #1 link Trailer #2 link and Trailer #3 link Please enjoy the information and date A Live Trailers for the Movie i linked you to. :-)