What are the key features of Amazon Prime Video? Subscribing to the service also gives you access to the benefits of Amazon Prime, Prime Music, Prime Reading, and Prime Gaming at no extra costs. Prime Video is available in over 200 countries. It is an on-demand video streaming service with a vast amount of exclusive content, besides also featuring a decent selection of films and series from third-party producers. Prime Video is Amazon's answer to Netflix. If you haven't been living under a rock, you have probably heard of Amazon Prime Video before.