/u/StopReadinMyUsername on reddit combined the average ratings (Critic's & Users) from IMDb, Rotten Tomatoes, Metacritic and Letterboxd, and then weighted and tweaked the results with general film data from iCheckMovies and IMDb to reveal the 1001 Greatest Movies of All Time.
source: http://redd.it/3hbiio
About The Poll
This poll was conducted in November 2008. The list was compiled using votes from Empire readers, Hollywood actors, actress and key film critics.
Empire Magazine published in September 2008 their 500 Greatest Movies of All Time List, selected in a poll by over 10,000 Empire readers, 150 film makers and 50 film critics.
http://www.empireonline.com/500/
http://en.wikipedia.org/wiki/List_of_cult_films
Science Fiction Movies
I started off by gathering ratings from IMDB (User/Critic Average), Rotten Tomatoes (Tomatometer, Critic Average, Audience Score, User Average), Metacritic (Critic Average, User Average) and Letterboxd (User Average). I was then able to determine a rating (out of 10) for each individual rating and therefore come up with an average rating for each site. Each site’s average rating was then weighted fairly so that no site’s ratings were favored above the rest.
The next step was to make sure that each film was treated fairly. Other top movie list’s like IMDb’s Top 1000 removes films that have under a certain viewing number (25,000 I think), but rather than ruling out films that may have been overlooked by the general audience (especially older films), I opted to alter these films score by carefully deducting points depending on how many people have seen it, and therefore voted on it. I also thought it was needed to make sure that recent films (released within the past 36 months) were also not favored, as it usually takes 3 years for the average rating to settle down. So I also added a deduction to these films that fell under this rule.
Taken from here: https://www.reddit.com/r/movies/comments/3hbiio/update_1001_greatest_movies_of_all_time_plus/
Taken from TotalSciFiOnline.com
http://totalscifionline.com/features/3809-the-100-greatest-sci-fi-movies
Source: IMDB
Filter: Votes >= 100 000
Order: Votes Descending
Date: 2014-09-12
All credits go to IMDb user: RDLongoria
This is a list of every movie that has made an appearance on the Top 250 list since the beginning of the site in 1996 through 2024. I will maintain a changelog below for when new movies are added to list.
List made using data from IMDB Top 250 History - https://250.took.nl/
Changelog - https://bit.ly/2E0i6w4
Odd Entries Explained - https://bit.ly/38dS0Ul
Movies that take place far from earth (mostly).
Movies covered by Scott Tobias for the AV Club's New Cult Canon (2008-2013).
The introduction can be read at http://www.avclub.com/articles/the-new-cult-canon-an-introduction,9808/.
From: Original source from RT seems to be no longer there. Can visit this for latest top lists from RT https://www.rottentomatoes.com/top
It’s Rotten Tomatoes’ list of the 100 best sci-fi movies of all time, ranked by adjusted Tomatometer from at least 40 reviews!
A list of thriller, horror, & strange movies
Collection of visually stunning Storytelling to fully appreciate 4K OLED Dolby Vision and Dolby Atmos/DTS:X
All credits go to IMDb user: RDLongoria
Excludes superhero/supervillain movies
The 500 movies in this list have been selected by a combination of 10,000 Empire readers, 50 critics and 150 of Hollywood's finest.
Movies Being Released on 4K UHD Blu Ray
by LISHVIP 9