Last paragraph was funny; many of us are travelers of the high seas, and I encourage others to not be intimidated by the fear mongering; just use a sandboxed VM or one of the many other options in the wild west of the interwebs.
Low-resolution footage with timestamps and visible watermarks have been posted on Twitter, 4Chan, and torrent sites.
The affected Netflix shows reportedly include:
Arcane
Dandadan
Heartstopper
Jentry Chau vs. the Underworld
Mononoke the Movie: Phantom in the Rain
Plankton: The Movie
Ranma 1/2
Spellbound
Terminator Zero
Aside from the morality of downloading a leaked version of an as-yet-unreleased TV show, fans would be wise to consider the potential security risks of reckless downloading content which claims to be of their favourite programmes - as it may expose your computer to malware or other threats.