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Monsters vs. Aliens (2009)

PG  |   |  Animation, Action, Adventure  |  27 March 2009 (USA)
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Ratings: 6.6/10 from 105,270 users   Metascore: 56/100
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A woman transformed into a giant after she is struck by a meteorite on her wedding day becomes part of a team of monsters sent in by the U.S. government to defeat an alien mastermind trying to take over Earth.


(screenplay), (screenplay), 5 more credits »
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Cast overview, first billed only:
B.O.B. (voice)
Gallaxhar (voice)
Derek Dietl (voice)
Wendy Murphy (voice)
Carl Murphy (voice)
Computer (voice)
News Reporter (voice)
Katie (voice)
Cuthbert (voice)
Sean Bishop ...


When a meteorite from outer space hits a young California woman named Susan Murphy and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years. As a last resort, under the guidance of General W.R. Monger, on a desperate order from The President, the motley crew of Monsters is called into action to combat the aliens and save the world from imminent destruction! Written by Anthony Pereyra {}

Plot Summary | Plot Synopsis


The Weird Will Save The World. See more »

Motion Picture Rating (MPAA)

Rated PG for sci-fi action, some crude humor and mild language | See all certifications »

Parents Guide:





Release Date:

27 March 2009 (USA)  »

Also Known As:

Monsters vs. Aliens: A Monstrous IMAX 3D Experience  »

Box Office


$175,000,000 (estimated)

Opening Weekend:

$59,321,095 (USA) (27 March 2009)


$198,332,128 (USA) (21 August 2009)

Company Credits

Production Co:

Show detailed on  »

Technical Specs


Sound Mix:

| |


Aspect Ratio:

2.35 : 1
See  »

Did You Know?


The large aircraft used to transport the monsters to San Francisco is based on an actual Guppy aircraft. The first Guppy was built in 1962 for NASA by Aero Spacelines of California to transport spacecraft components. See more »


The hair on Link's chest disappeared in one scene and then reappeared later on. See more »


Gallaxhar: Humans of Earth, I come in peace. You need not fear me, I mean you no harm. However, it is important to note that most of you will not survive the next 24 hours. The few of you that do survive will be enslaved and experimented upon. You should, in no way, take any of this personally. It's just business. So to recap, I come in peace, I mean you no harm, and you all will die. Gallaxhar out.
See more »

Crazy Credits

A flying saucer floats over the "D" in the Dreamworks logo and abducts the boy sitting in it with a tractor beam. The saucer is from the movie "Earth vs. the Flying Saucers." See more »


Referenced in Who Wants to Be a Millionaire: Episode #8.160 (2010) See more »


E.T.: The Extra-Terrestrial
Written by John Williams
See more »

Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

Nice team chemistry
31 October 2013 | by See all my reviews

Susan Murphy (Reese Witherspoon) is a woman who got upsized by a meteorite on her wedding day. B.O.B. (Seth Rogen) is a gelatinous, brainless creation after an experiment on a tomato went wrong. Dr. Cockroach (Hugh Laurie) is a scientist who turned himself into a hybrid. The Missing Link (Will Arnett) is a creature found frozen and revived. And giant mutant larva Insectosaurus is a product of nuclear testing. The government has secretly collected these monster and now they need them to fight alien Gallaxhar (Rainn Wilson).

DreamWorks has gathered all the iconic 50s sci-fi B-movie creations, and formed a pretty cohesive team. It's surprising that the limited backstory allowed the characters to gel so well right off the bat. It's probably due the fact that these characters seem so familiar to us. It also helps that the actors do some great voice work.

The story itself has one major problem. The movie is basically split in two parts. The pacing slows down dramatically in the middle after a high intensity fight at the start. However the comedy works well especially the brainless BOB. I think this team has good potential.

1 of 1 people found this review helpful.  Was this review helpful to you?

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References to other movies edvin-6
Seth Rogen justin-995
Was it stated Susan was an expert skater anywhere? jsl151
Celebrity Voices in Cartoons? Do you choose cartoons based on actors? slipslider
Was I supposed to feel sorry for Insectosaurus? WilliamABW
Saddest part of the movie: PopcornWithMovies
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