Movie
Planet 51
SF film with a runtime of 97 minutes, released in 2009. Presented in English.
Availability can vary by country and over time.
Spoiler-Free Synopsis
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An American astronaut believing himself to be the first person ever to set foot on Planet 51 gets the shock of his life in this animated adventure comedy featuring the voices of Dwayne Johnson, Jessica Biel, John Cleese, and Gary Oldman. Captain Charles "Chuck" Baker (voice of Johnson) was on a mission to boldly go where no man had gone before, a remote celestial body dubbed Planet 51. The scientific community had surmised that Planet 51 was uninhabited, so when Captain Baker steps out of his spacecraft to discover a race of tiny green people living in quaint communities reminiscent of 1950s America, he can't quite believe his eyes. Unfortunately, the tiny extraterrestrials suffer from a universal fear that their utopian community will one day be overrun by alien invaders...just like the extra-large astronaut who now stands before them. As General Grawl (voice of Gary Oldman) and Professor Kipple (voice of John Cleese) attempt to capture the peaceful visitor so they can dissect him and learn more about his anatomy, Captain Baker must count on his robot companion, "Rover," and his new friend, Lem, in order to navigate this strange new world and find a way back home before it's too late.
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Movie Facts
About This Guide
This page focuses on the exact runtime, cast, release details, and synopsis for Planet 51 (2009). It is designed to answer the practical question of how long the movie is while still giving enough context to decide whether it matches what you want to watch.
Editorial Take
Planet 51 (2009) is positioned on OnlySynopsis as a practical viewing decision page built around its 1h 37m runtime. The page leans into SF, action/adventure expectations so readers can quickly tell whether the film matches the mood they are trying to fill. Because it is relatively compact, this title fits the kind of single-session watch many searchers are explicitly looking for.
How OnlySynopsis Builds This Page
OnlySynopsis combines stored title metadata such as runtime, release information, genres, and cast or crew data into a reader-first guide. The goal is not just to list fields, but to help visitors understand whether a title fits their available time and viewing mood.
FAQ
How long is Planet 51?
Planet 51 runs for 1h 37m.
What language is it available in?
The primary language listed for this title is English.
What kind of film is this?
It is tagged under SF, action/adventure, comedy, children.
Related Collections
SF
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Same Genreaction/adventure
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Same DirectorJorge Blanco
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Yes
This is an easy single-evening watch.
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