Streaming services weren’t always the home of the must-watch original shows of the day. When they first became available, platforms like Netflix and Amazon Prime Video were simply on-demand libraries of existing movies and TV shows. Viewers could finally watch what they wanted, when they wanted, without the constraints of traditional broadcast schedules. For a while, that alone was enough. That began to change when platforms began creating their own content. While Netflix made early waves with shows like House of Cards, it was Amazon’s The Man in the High Castle that marked the turning point. For the first time,...