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Top Rated "Sci-Fi" Titles

RankRatingTitleVotes
1.8.8Star Wars: Episode V - The Empire Strikes Back (1980)242,261
2.8.8Star Wars (1977)284,671
3.8.6The Matrix (1999)328,499
4.8.5WALL·E (2008)129,895
5.8.5Alien (1979)153,768
6.8.5Terminator 2: Judgment Day (1991)200,234
7.8.4Aliens (1986)145,810
8.8.4Metropolis (1927)33,108
9.8.4The Prestige (2006)163,966
10.8.32001: A Space Odyssey (1968)139,485
11.8.3Star Trek (2009)76,730
12.8.3Back to the Future (1985)171,135
13.8.3Blade Runner (1982)161,831
14.8.3Star Wars: Episode VI - Return of the Jedi (1983)185,777
15.8.2Donnie Darko (2001)179,207
16.8.2Ivan Vasilevich menyaet professiyu (1973)2,263
17.8.1Tanin no kao (1966)1,044
18.8.1The Thing (1982)63,994
19.8.1The Terminator (1984)151,738
20.8.1V for Vendetta (2005)185,804
21.8.1Frankenstein (1931)19,984
22.8.1Twelve Monkeys (1995)145,375
23.8.1Children of Men (2006)131,690
24.8.0Bride of Frankenstein (1935)13,847
25.8.0Kin-Dza-Dza (1986)3,503
26.8.0The Day the Earth Stood Still (1951)29,705
27.8.0Kaze no tani no Naushika (1984)16,402
28.8.0Stalker (1979)17,606
29.8.0Invasion of the Body Snatchers (1956)12,597
30.8.0The Man from Earth (2007)23,177
31.8.0Planet of the Apes (1968)49,042
32.8.0Moon (2009)1,358
33.8.0Brazil (1985)66,854
34.8.0Night of the Living Dead (1968)33,538
35.8.0Young Frankenstein (1974)52,282
36.8.0Toki o kakeru shôjo (2006)3,742
37.8.0Solyaris (1972)16,540
38.7.9Seksmisja (1984)2,813
39.7.9Iron Man (2008)140,083
40.7.9The Truman Show (1998)130,731
41.7.9Batoru rowaiaru (2000)43,445
42.7.9Watchmen (2009)75,722
43.7.9Kôkaku kidôtai: Stand Alone Complex Solid State Society (2006)1,084
44.7.9Grindhouse (2007)73,829
45.7.9Serenity (2005)93,352
46.7.9E.T.: The Extra-Terrestrial (1982)93,471
47.7.8Island of Lost Souls (1932)1,095
48.7.8The Iron Giant (1999)33,740
49.7.8The Invisible Man (1933)6,884
50.7.8Abre los ojos (1997)19,688

Bottom Rated "Sci-Fi" Titles

RankRatingTitleVotes
1.1.3Ultra Warrior (1990)520
2.1.3Terror at Tate Manor (2002)174
3.1.4Universal Soldiers (2007)591
4.1.4Evil Behind You (2006)459
5.1.4Zaat (1975)1,764
6.1.5Monster A Go-Go (1965)2,407
7.1.5Flesh Feast (1970)363
8.1.5Awaken the Dead (2007)342
9.1.5Supercroc (2007)384
10.1.5A Nymphoid Barbarian in Dinosaur Hell (1991)634

The formula for calculating the Top Rated 50 Titles gives a true Bayesian estimate: 

 weighted rating (WR) = (v ÷ (v+m)) × R + (m ÷ (v+m)) × C

 where:
  R = average for the movie (mean) = (Rating)
  v = number of votes for the movie = (votes)
  m = minimum votes required to be listed in the Top 50 (currently 1000)
  C = the mean vote across the whole report (currently 6.8)
for the Top 50, only votes from regular voters are considered.

In order to appear in the Bottom 10 Titles chart the title must have received at least 50 votes.