Movies like Stepsister from Planet Weird

Zenon Kar, a 13-year-old girl who lives on a space station in the year 2049, gets into some trouble and is banished to Earth. With help from some Earth friends she must find her way back.

Trying to rescue her home planet from destruction, a gorgeous extraterrestrial named Celeste arrives on Earth and begins her scientific research. She woos quirky scientist Dr. Steve Mills, a widower with a young daughter. Before long, Celeste finds herself in love with Steve and her new life on Earth, where she experiences true intimacy for the first time. But when she loses sight of her mission, she begins to question where she belongs.

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".

Ben and a mysterious girl from his past must prevent an alien threat from destroying the world.

A young man finds out that he holds the key to restoring hope and ensuring survival for the human race, while an alien species called the Drej are bent on mankind's destruction.

Phineas and Ferb become the galaxy's unlikeliest last hope when they must return the Death Star plans to the Rebel Alliance.

Ben, Gwen, and Max must stop an extraterrestrial who plans to open a gateway that leads to an alien invasion.

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.

Since a bitter winter storm stole the life of Gerda's mother, she and her father have sadly continued to run the remote hotel they call home. Lonely and isolated, Gerda's only joy is Kai, the handsome bellboy. A mysterious guest with an icy stare arrives at the hotel one night, wrapped in fur and diamonds. By daybreak, the "Snow Queen" has vanished with Kai! Gerda embarks on a journey of morphing seasons, fantastical creatures, and long-frozen mysteries in a desperate quest to find her stolen love.

In a soon to be demolished block of apartments, the residents resist the criminal methods used to force them to leave so a greedy tycoon can build his new skyscraper. When tiny mechanical aliens land for a recharge, they decide to stay and help out.

Wicket the Ewok and his friends agree to help two shipwrecked human children, Mace and Cindel, on a quest to find their parents.

When Earth astronaut Capt. Chuck Baker arrives on Planet 51 -- a world reminiscent of American suburbia circa 1950 -- he tries to avoid capture, recover his spaceship and make it home safely, all with the help of an empathetic little green being.