Amazon Prime has one of the most extensive collections of any streaming service, but there’s a catch. Subscribers get many of the films and TV shows available on Amazon Prime for free, but a lot of the content is still behind a pay wall, forcing audiences to pay rental fees for many of the more popular titles. So if you’re looking for a family-friendly movie to watch with your loved ones, and you don’t feel like shelling out any extra cash, your options are surprisingly limited on Amazon Prime. However, once you sift through the myriad …