Worst Science Fiction Movies of All Time

These are those movies you hate, and forget. They insult the genre.

The Top Ten

1 Mars Needs Moms

I haven't seen it, but the very idea makes me cringe and think, is this some kind of a joke? - PositronWildhawk

PositronWildhawk, don't watch it, trust me - RickyReeves

When I was a child it scared me

Hilariously bad. I will give it kudos for good animation but it was ruined on this. - Jiorl

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2 Santa's Slay

This sounds like a fun movies - idontknow

3 Space Chimps

Just so bad, it has 0 reason to exist.

4 The Wiggles: Space Dancing

The animation is freaky - Ihateschool

5 Battle for Terra
6 Star Wars Holiday Special

Anything Star Wars themed sucks!

In my opinion is a part of most overrated movie - belarbi

7 Space Chimps 2: Zartog Strikes Back
8 Jedi Junkies
9 Thumb Wars
10 Escape from Planet Earth

This Film Has Unoriginal Jokes

The Contenders

11 Poultrygeist
12 Robocop
13 Robocop 2
14 Skyline

Hell on Earth, this film is beyond dreadful. - PositronWildhawk

15 Battlefield Earth

Mars need moms is the godfather compared to this

Should be number one.

Easily should be number 1 - Jiorl

16 Santa Claus Conquers the Martians
17 Sphere
18 Mission to Mars

SPOILER ALERT: Oh yeah, lol the giant Disney alien at the end made it so ridiculous. - Agent_Cooper

19 Signs
20 The Thirteenth Floor
21 Godzilla (1998)
22 Robocop 3
23 Doctor Who and the Daleks
24 Spaced Invaders
25 Star Wars Episode I: The Phantom Menace
26 The Cell
27 Hollow Man
28 Lost in Space
29 Timeline
30 Freejack
31 Rollerball (2002)
32 The Time Machine (2002)
33 Predator 2
34 Virus
35 Saturn 3
36 Event Horizon

Absolute worst excuse for a sci fi movie EVER. Excruciatingly disappointing.

37 Red Planet
38 Ghosts of Mars
39 Total Recall (2012)
40 The Core
41 Pitch Black
42 The Black Hole
43 Star Wars: Episode II - Attack of the Clones
44 Stargate
45 Independence Day
46 The Fourth Kind
47 The Matrix Reloaded
48 The Matrix Revolutions
49 Mac and Me
50 Bigfoot (1970)
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