Game of Thrones Fourth Season–This Sunday, hit series Game of Thrones returns to HBO with its fourth season premiere. To celebrate the occasion, HBO2 is currently hosting a 60-hour marathon that revisits the first three seasons of the popular television drama. In addition, HBO has released a viewer’s guide just in case you need to catch up for the season premiere. View the guide at HBO.com. Leading up to the television event, the Game of Thrones cast has been doing a whirlwind of press for the show. Look below for our round up of stylish cast moments.