DreamWorks Animation’s upcoming How to Train Your Dragon TV series Riders of Berk will be previewed tonight on Cartoon Network. The show, which will bridge the gap between the first film and its upcoming 2014 sequel, will feature most of the movie’s original cast members, as well as new dragons and locations. The hour long preview airs on Cartoon Network tonight at 7:30 PM EST. A commercial for it can be watched here.