We do not sell anything ourselves. IMDb is part of the Amazon.com group of companies, and we provide links to the Amazon catalog as a service to our visitors. All sales are handled directly by Amazon.com.
Because our focus is not sales, we list every film/TV show we are aware of that meet our criteria for inclusion, whether or not they are available on video or ever have been. In some cases, there are no known copies remaining in any form. This is not unlike an encyclopedia that lists animal species that are extinct.
There are two ways to determine whether a particular title is available on video at Amazon.com: