Monsters vs. Aliens | Rotten Tomatoes (2025)

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73%

Tomatometer

217 Reviews

59%

Popcornmeter

250,000+ Ratings

When a meteor full of space gunk transforms Susan Murphy (Reese Witherspoon) into a giant, the government renames her Ginormica and confines her to a secret compound with other monsters, like bug-headed Dr. Cockroach (Hugh Laurie). When an extraterrestrial robot lands on Earth and begins a rampage, Gen. W.R. Monger persuades the president to send Ginormica and her fellow monsters to battle the machine and save the planet.

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Monsters vs. Aliens

What to Know

Critics Consensus

Though it doesn't approach the depth of the best animated films, Monsters Vs. Aliens has enough humor and special effects to entertain moviegoers of all ages.

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Critics Reviews

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Monsters vs. Aliens | Rotten Tomatoes (1)

Keith Uhlich

Time Out

Only those who desire a paddleball to the kisser or a face full of Mothra snot need apply.

Rated: 2/6

Nov 17, 2011

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Monsters vs. Aliens | Rotten Tomatoes (2)

Christine Champ

Film.com

Rated: B+

May 6, 2011

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Monsters vs. Aliens | Rotten Tomatoes (3)

Jordan Hoffman

UGO

Monsters Vs. Aliens has plenty of lively animation and a handful of solid jokes. It is not of a caliber of most of the Pixar films, but, at times, it comes close.

Rated: B

Aug 14, 2009

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Monsters vs. Aliens | Rotten Tomatoes (4)

Cory Woodroof

For the Win (USA Today)

Monsters vs. Aliens was a really fun homage to 1950s sci-fi monster movies with an excellent voice cast and one of the better scripts in the studio’s history.

Sep 25, 2024

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Monsters vs. Aliens | Rotten Tomatoes (5)

Brian Eggert

Deep Focus Review

Whereas animation should have limitless potential, particularly with a concept like the one in Monsters vs. Aliens, this film squanders its prospects on mundane storytelling

Rated: 2/4

Dec 2, 2023

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Monsters vs. Aliens | Rotten Tomatoes (6)

Mike Massie

Gone With The Twins

Wonderfully inventive characters and highly polished visuals.

Rated: 8/10

Nov 29, 2020

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Audience Reviews

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Anna Disliked the dumbass people that come to the movies, otherwise the movie itself was good Rated 5/5 Stars • Rated 5 out of 5 stars 06/07/21 Full Review Nyjah R After rewatching Monsters Vs Aliens after a couple years, I believe it still holds up as one of the most comedic and solid storytelling movies of DreamWorks, either movies like How To Train Your Dragon, Kung Fu Panda, Shrek, and Rise of The Guardians Rated 4.5/5 Stars • Rated 4.5 out of 5 stars 11/23/24 Full Review Audience Member very funny movie for kids Rated 5/5 Stars • Rated 5 out of 5 stars 11/15/24 Full Review TROY S Overall, I found Monsters vs. Aliens to be a surprisingly entertaining film, with clever and witty dialogue, as well as terrific action. Rated 5/5 Stars • Rated 5 out of 5 stars 10/19/24 Full Review TROY S Great fun! My son loves this movie. It's got just enough action to keep him entertained, but not too much as to scare him. He enjoys the creative characters and laughs throughout the whole thing. This movie is CONSTANTLY in the dvd player. He has the darn thing memorized! Rated 4.5/5 Stars • Rated 4.5 out of 5 stars 09/17/24 Full Review Luke R I used to watch this in my childhood, but it’s not one of the best Dreamworks movies. Rated 0.5/5 Stars • Rated 0.5 out of 5 stars 09/03/24 Full Review Read all reviews

Monsters vs. Aliens

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Cast & Crew

Rob Letterman Director Conrad Vernon Director Reese Witherspoon Susan Murphy Hugh Laurie Dr. Cockroach Ph.D. Seth Rogen B.O.B. Will Arnett The Missing Link

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Movie Clips

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Monsters vs. Aliens

Monsters vs. Aliens: Official Clip - Captured by Aliens