: Reviewers appreciate the clever premise where a human astronaut (voiced by Dwayne "The Rock" Johnson) is the "alien" causing panic in a peaceful society of little green men. Kid-Friendly Fun
Critics at the time were lukewarm. While they praised the animation and the high-concept reversal, many argued the script lacked the emotional depth of a Toy Story or the relentless jokes of a Shrek . It currently holds a modest 38% on Rotten Tomatoes. Planet 51
Captain Charles “Chuck” Baker lands on Planet 51, believing he’s the first human to set foot on an uninhabited world. To his shock, the planet is inhabited by green, antenna-sporting aliens living in a cheerful, suburban society straight out of 1950s America—complete with diners, drive-ins, and sock hops. : Reviewers appreciate the clever premise where a
Directed by Jorge Blanco, Planet 51 is visually distinct. The color palette is vibrant and saturated, emphasizing the "cartoonish" nature of the alien world. The design of the aliens—bulbous heads, four fingers, and rubbery skin—intentionally mimics the classic "Grey alien" tropes but makes them feel harmless and domestic. It currently holds a modest 38% on Rotten Tomatoes
Includes jokes about "anal probing" and "butt plugs" to prevent alien abduction, which might go over younger kids' heads.
Planet 51 serves as a great introductory sci-fi film for children. It demystifies the "alien" trope by making the aliens the heroes and the humans the source of chaos. For adults, it offers a nostalgic trip through 1950s Americana, poking fun at the era's obsession with "Red Scares" and flying saucers. If you are looking for a family movie that flips the script on the invasion genre, Planet 51 is a fun, if lightweight, ride.
The story follows American astronaut , who lands on a distant planet thinking he has discovered a barren world. Instead, he finds a society that resembles 1950s suburban America , inhabited by "little green people" who live in constant fear of an alien invasion—ironically making Chuck the "alien". He eventually befriends a local teenager named Lem to help him evade the military and return to his ship. Main Cast & Characters Planet 51 (2009) - IMDb