Movies like Planet 51

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.

After Megamind, a highly intelligent alien supervillain, defeats his long-time nemesis Metro Man, Megamind creates a new hero to fight, but must act to save the city when his "creation" becomes an even worse villain than he was.

The continuing adventures of Lilo, a little Hawaiian girl, and Stitch, the galaxy's most-wanted extraterrestrial. Stitch, Pleakley, and Dr. Jumba are all part of the household now, but what Lilo and Stitch don't know is that Dr. Jumba brought his other alien "experiments" to Hawaiʻi as well.

When an unmanned space shuttle crashes on an uncharted planet, a trio of astronaut chimpanzees are launched by NASA into a wormhole to investigate.

Comet longs to be taken seriously as a full-fledged space chimp. He journeys to the fantastical Planet Malgor and bonds with the adorable alien Kilowatt, living out his ultimate fantasy. However, it's time for Comet to prove himself when the feared alien ruler Zartog takes over Mission Control! Comet must show he has the right stuff, and join fellow chimps Ham, Luna and Titan, to save the day.

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...

Super spy Lance Sterling and scientist Walter Beckett are almost exact opposites. Lance is smooth, suave and debonair. Walter is… not. But what Walter lacks in social skills he makes up for in smarts and invention, creating the awesome gadgets Lance uses on his epic missions. But when events take an unexpected turn, Walter and Lance suddenly have to rely on each other in a whole new way.

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

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.

After hundreds of years doing what he was built for, WALL•E— a robot designed to clean up the earth—discovers a new purpose in life when he meets a sleek search robot named EVE. EVE comes to realize that WALL•E has inadvertently stumbled upon the key to the planet's future, and races back to space to report to the humans. Meanwhile, WALL•E chases EVE across the galaxy and sets into motion one of the most imaginative adventures ever brought to the big screen.

Lewis, a brilliant young inventor, is keen on creating a time machine to find his mother, who abandoned him in an orphanage. Things take a turn when he meets Wilbur Robinson and his family.

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.