From 2018: https://www.forbes.com/sites/johnarcher/2018/09/17/apple-responds-to-disappearing-itunes-movie-purchases-issue https://www.forbes.com/sites/johnarche

From 2018: https://www.forbes.com/sites/johnarcher/2018/09/17/apple-responds-to-disappearing-itunes-movie-purchases-issue https://www.forbes.com/sites/johnarcher/2018/09/17/apple-res... tl;dr: once downloaded to a device you have it until you delete it. It’s not ideal and I do wish they would retain the right to keep an archived copy on their servers for all customers who have bought it so they could re-download or stream at any time without having to deal with backup and restore.