The following are vendors and websites for sourcing streaming video available for license or purchase. This list is intended to help with the question "Is this title available for sale anywhere? If so, in what formats?" Access, licensing terms, and costs will vary!
Please note that sometimes your only choice for obtaining streaming content may be a pay-per-view or subscription vendor such as Amazon Prime, Netflix, Hulu, or HBO. These companies do not license streaming video to libraries. Search apps like JustWatch or ReelGood to find where specific movies and TV shows are available from pay-per-view and subscription platforms.