While the cast and crew tend to be very secretive about what's happening on the show, some dedicated fans have snapped a few photos and shared them with the world via social media. Plus, some of the cast have shared unspoiler-y pics of themselves on set and in their trailers.
So, want a glimpse of the goings-on about set? We've gathered some of the fun and interesting photos from the world of Twitter and Instagram right here for your viewing pleasure.
What are you most looking forward to in Season 5? Let us know in the comments below!