Watch: 15-minute trailer of Game of Thrones season 4

Can't wait for the next season of Game of Thrones to begin? Well you might be able to catch more than a glimpse of what will happen in season 4 as HBO has put out a 15-minute trailer.The "Ice and Fire: A Foreshadowing" as it is titled is sneak peek video of the hit show's fourth season and gives users a chance to see some unseen footage. It also has cast interviews and flashbacks as well.[caption id="attachment_1385423" align="alignleft" width="380"]

Screengrab from video.[/caption]And what should you expect from Season 4? According to the show's executive producer and writer David Benioff get ready for this: "Some of the most shocking and mind-blowing scenes of the entire series come at the end of this coming season, some very bloody confrontations."For those fans who haven't seen Season 3 or read the books, you might want to watch it before you jump onto Season 4. The Red Wedding, episode caused a massive outrage among fans, as many who hadn't read the books, were shocked when Robb Stark, his wife and his mother Catelyn Stark, along were all killed. Also Robb's Grey Wind was killed too.Oh, and get ready for some dragons as well.The new Game of Thrones Series begins on 6 April.