The Durarara!!x2 Shou is the first of three new Durarara!! seasons and will start this January. The first official trailer was released just recently and is not available also with English subtitles. The video is below and feel free to click on the Durarara!! link to check out all the other news about the show.
For those of you who are in or have an IP from North America, there are three options where you can watch online simulcasts of Durarara!!x2 Shou: Aniplex, Hulu and Crunchyroll.
Source: Aniplex US
Where will you be watching the show?