This will return technical backups rather than copyrighted blockbusters. For entertainment: No. The legal and security risks outweigh the benefits. Free streaming with ads on platforms like Tubi, Plex's free tier, or legal services like Kanopy (via libraries) is safer and higher quality.
Today, while some working indexes may still exist on obscure IP addresses, they are vanishing rapidly. Cloud storage, HTTPS, and streaming DRM have replaced the plain-text honesty of the "Index of" page. But for those who remember, the sight of a clean, grey-background directory listing—files sorted by date and size—still brings a certain thrill of discovery.
Use a VPN, a dedicated virtual machine, and check the copyright status of any file before downloading.