Amazon.com’s expanded content licensing agreement with NBCUniversal Cable and New Media Distribution announced today adds hundreds of past episodes of NBC shows to Prime Instant Video, including Parks & Recreation, Parenthood, Friday Night Lights, Heroes and Battlestar Galactica. Prime members can stream the shows on Kindle Fire or compatible Amazon Instant Video devices, including iPad, Roku, Xbox 360 and the PlayStation 3, according to the company. There are now a total of 22,000 movies and TV episodes that can be streamed through Amazon’s subscription service, which competes with other digital providers, including Netflix. Amazon Prime subscribers who pay a flat $79 fee can watch at no additional charge. Viewers who are not Amazon Prime subscribers may rent or purchase the shows at prices starting at $3.99.