Best movies like Planet 51

Similar in 77%

Welcome to the Space Show (2010)

Plot Summary:

Five children save the life of a dog-like alien while at a self-run summer camp. He attempts to reward them by taking them to an alien colony on the Moon. Events take a turn for the worse when his report on that attack that injured him causes passage from the Moon to the Earth to be banned, and children are stranded in space. The children need to find a way back home before camp ends and their parents discover that they are missing. They also have to avoid the poachers that injured their alien friend, and now seem to be stalking them all.

Similar in 84%

Terra Willy (2019)

Plot Summary:

Upon the destruction of their ship, Willy is separated from his parents. He lands on a wild and unexplored planet and with the help of Buck, a survival robot, he will have to hold until the arrival of a rescue mission.

Similar in 86%

Leroy & Stitch (2006)

Plot Summary:

Lilo, Stitch, Jumba and Pleakley have finally caught all of Jumba's genetic experiments and found the one true place where each of them belongs. Stitch, Jumba and Pleakley are offered positions in the Galactic Alliance, turning them down so they can stay on Earth with Lilo. But Lilo realizes her alien friends have places where they belong, and it's finally time to say "aloha.".

Similar in 76%

Mars Needs Moms (2011)

Plot Summary:

When Martians suddenly abduct his mom, mischievous Milo rushes to the rescue and discovers why all moms are so special.

Similar in 90%

Monsters vs. Aliens (2009)

Plot Summary:

When Susan Murphy is unwittingly clobbered by a meteor full of outer space gunk on her wedding day, she mysteriously grows to 49-feet-11-inches. The military jumps into action and captures Susan, secreting her away to a covert government compound. She is renamed Ginormica and placed in confinement with a ragtag group of Monsters.

Similar in 83%

Luis and the Aliens (2018)

Plot Summary:

"Luis" tells the story of an 11-year-old boy who makes friends with three loveable little aliens, who crash their UFO into his house. In return for Luis' help in finding the home-shopping channel stuff they came for, they save Luis from boarding school - and an exciting adventure follows.

Similar in 77%

Chicken Little (2005)

Plot Summary:

When the sky really is falling and sanity has flown the coop, who will rise to save the day? Together with his hysterical band of misfit friends, Chicken Little must hatch a plan to save the planet from alien invasion and prove that the world's biggest hero is a little chicken.

Similar in 86%

Escape from Planet Earth (2012)

Plot Summary:

Astronaut Scorch Supernova finds himself caught in a trap when he responds to an SOS from a notoriously dangerous alien planet.

Similar in 82%

Madagascar 3: Europe's Most Wanted (2012)

Plot Summary:

Animal pals Alex, Marty, Melman, and Gloria are still trying to make it back to New York's Central Park Zoo. They are forced to take a detour to Europe to find the penguins and chimps who broke the bank at a Monte Carlo casino. When French animal-control officer Capitaine Chantel DuBois picks up their scent, Alex and company are forced to hide out in a traveling circus.

Similar in 81%

Captain Underpants: The First Epic Movie (2017)

Plot Summary:

Two mischievous kids hypnotize their mean elementary school principal and turn him into their comic book creation, the kind-hearted and elastic-banded Captain Underpants.

Similar in 78%

Happily N'Ever After (2006)

Plot Summary:

An alliance of evil-doers, led by Frieda, looks to take over Fairy Tale Land. But when Ella realizes her stepmother is out to ruin her storybook existence, she takes a dramatic turn and blossoms into the leader of the resistance effort.

Similar in 77%

The Boxtrolls (2014)

Plot Summary:

An orphaned boy raised by underground creatures called Boxtrolls comes up from the sewers and out of his box to save his family and the town from the evil exterminator, Archibald Snatcher.

Similar in 85%

Toy Story 3 (2010)

Plot Summary:

Woody, Buzz, and the rest of Andy's toys haven't been played with in years. With Andy about to go to college, the gang find themselves accidentally left at a nefarious day care center. The toys must band together to escape and return home to Andy.

Similar in 75%

The Iron Giant (1999)

Plot Summary:

In the small town of Rockwell, Maine in October 1957, a giant metal machine befriends a nine-year-old boy and ultimately finds its humanity by unselfishly saving people from their own fears and prejudices.

Similar in 82%

Treasure Planet (2002)

Plot Summary:

When space galleon cabin boy Jim Hawkins discovers a map to an intergalactic "loot of a thousand worlds," a cyborg cook named John Silver teaches him to battle supernovas and space storms. But, soon, Jim realizes Silver is a pirate intent on mutiny!.

Similar in 78%

Robots (2005)

Plot Summary:

Rodney Copperbottom is a young robot inventor who dreams of making the world a better place, until the evil Ratchet takes over Big Weld Industries. Now, Rodney's dreams – and those of his friends – are in danger of becoming obsolete.

Similar in 89%

Ron's Gone Wrong (2021)

Plot Summary:

In a world where walking, talking, digitally connected bots have become children's best friends, an 11-year-old finds that his robot buddy doesn't quite work the same as the others do.

Similar in 88%

Home (2015)

Plot Summary:

When Earth is taken over by the overly-confident Boov, an alien race in search of a new place to call home, all humans are promptly relocated, while all Boov get busy reorganizing the planet. But when one resourceful girl, Tip, manages to avoid capture, she finds herself the accidental accomplice of a banished Boov named Oh. The two fugitives realize there’s a lot more at stake than intergalactic relations as they embark on the road trip of a lifetime.

Similar in 78%

Toy Story That Time Forgot (2014)

Plot Summary:

During a post-Christmas play date, the gang find themselves in uncharted territory when the coolest set of action figures ever turn out to be dangerously delusional. It's all up to Trixie, the triceratops, if the gang hopes to return to Bonnie's room in this Toy Story That Time Forgot.

Similar in 77%

Monsters University (2013)

Plot Summary:

A look at the relationship between Mike and Sulley during their days at Monsters University — when they weren't necessarily the best of friends.

Similar in 87%

The Nut Job (2014)

Plot Summary:

Surly, a curmudgeon, independent squirrel is banished from his park and forced to survive in the city. Lucky for him, he stumbles on the one thing that may be able to save his life, and the rest of park community, as they gear up for winter - Maury's Nut Store.

Similar in 75%

WALL·E (2008)

Plot Summary:

WALL·E is the last robot left on an Earth that has been overrun with garbage and all humans have fled to outer space. For 700 years he has continued to try and clean up the mess, but has developed some rather interesting human-like qualities. When a ship arrives with a sleek new type of robot, WALL·E thinks he's finally found a friend and stows away on the ship when it leaves.