Something is seriously wrong with Stiles on Teen Wolf, and Scott & Co. don’t have much time to figure it out before their friend could be gone… for good. Wetpaint Entertainment has the exclusive extended promo for Monday’s all-new episode (“Riddled”), and it’s going to have all you Stiles fans on the edges of your seats. It's 40 seconds of pure terror for poor Stiles. What's happening to him? Well, we're about to find out.