User Score
5.1

Mixed or average reviews- based on 116 Ratings

User score distribution:
  1. Positive: 58 out of 116
  2. Negative: 47 out of 116

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  1. May 26, 2011
    3
    Its a shame that this movie didn't use it's smart plot to a benefit or I would have given this movie a higher rating if it had a better cast and if it was funnier, but like I said it falls too short.
  2. Mar 21, 2011
    4
    This family animated film was okay not great. The concept of the alien civilization being in the 1950s was dumb. Even some of the music from the 1950s by dumb pop singers was retarded. The acting was okay too. This movie is for kids only, not adults.
  3. Apr 19, 2011
    4
    This Is A VERY Uncreative Movie... The Voices Are Nah-Nah... But This Is Cute For Kids...
  4. Nov 13, 2011
    3
    Planet 51 does have a unique concept of an alien race in a 1950's flair environment, but the whole execution of the movie was a complete disaster. The story was quickly forgettable with humour so dull that Dwayne Johnson (voice of Charles T. Baker aka the Astronaut) couldn't save this animated feature to be highly entertaining. With a poor execution and only two scenes that will make you laugh, Planet 51 is at best to be a direct to video film than a theatrical feature. Expand
  5. Dec 2, 2011
    3
    Planet 51 may have great animation, but the thin plotted story and uninteresting characters make it very boring. It lacks fun in a lot of ways. The premise was interesting, but was poorly executed.
  6. Jan 29, 2012
    2
    It has a very intriguing premise but the whole film is a wreck. With boring voice acting and bad animation along with it not being funny, Save your money and don't see it. i give this movie 19%.
  7. May 14, 2012
    4
    Planet 51 is a poor animation movie. It haves a really stupid story, but sometimes it gets kinda interesting, sometimes, because this move is a let down. Even the animation is amateur and poor.
  8. Sep 4, 2012
    4
    "Planet 51" is a letdown that isn't worth to watch. Yes, it haves a good 3d animation, but the story is weird and dumb, and It isn't kids film. This movie is more for teens, because it haves some sexual moments, that aren't graphically absurd, but really not for kids.
  9. Nov 16, 2013
    2
    Planet 51 is spaced out.
    No laughs, no good characters, no real message, and an unoriginal story. The only redeeming quality I can see is that it will hold kids interest; but there are many choices far better than this one regarding a family film.
  10. Jul 13, 2014
    1
    It's odd that before this review, the average user rating was 51. How ironic. Especially because it deserves a much lower score. I mean, it's pretty obvious what will happen.
Metascore
39

Generally unfavorable reviews - based on 21 Critics

Critic score distribution:
  1. Positive: 2 out of 21
  2. Negative: 4 out of 21
  1. A perky though not terribly imaginative feature aimed primarily at youngsters.
  2. Reviewed by: Todd McCarthy
    40
    There's nothing funny, provocative or involving about what "Shrek" co-writer Joe Stillman and the team from Madrid-based Ilion Animation Studios do with the notion here.
  3. Reviewed by: Brian Miller
    40
    Like "E.T." in reverse, this pleasantly mediocre CG animation tale lands an astronaut on a distant planet.