With Netflix, Amazon Prime, HBO, Hulu, and the up-and-coming Disney+, it sometimes feels like we can watch any movie, any time. But it’s not true.

While the number of movies at our fingertips is truly mind-boggling, there’s a surprising number of successful, well-known films — and even some classics — you can’t find anywhere. The following movies are unavailable to stream or rent on any of the major streaming platforms. These 15 titles are a good reminder that you may want to hold off on throwing out those old DVDs for a couple of years.

Gallery — 15 DVDs and Blu-rays That Are Still Extremely Valuable: