I watched them so you don't have to - Movies that are just too bad to be watched by most people - although some might disagree :)
Cult movies everyone should see at least once
Library for Kodi import
The best of the worst movies.
Netflix Genre
Les films que je veux voir
List based on "30 Cult Movies That Absolutely Everybody Must See" article form io9
http://io9.com/30-cult-movies-that-absolutely-everybody-must-see-1538502596
https://de.wikipedia.org/wiki/Film
All the films discussed on the podcast Kill James Bond
From space odysseys to star wars, alien invaders to guardians of the galaxy — the best sci-fi films from the beginning of the movies until now.
https://www.rollingstone.com/tv-movies/tv-movie-lists/best-sci-fi-movies-1234893930/
Source: https://www.rollingstone.com/tv-movies/tv-movie-lists/best-sci-fi-movies-1234893930/
Period media SET IN (but not made in) the 2000's, but made before 1990.
The future, as envisioned by the past.
By looper.com
https://www.looper.com/477368/best-sci-fi-movies-all-time/
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by Short Circuit