Stepsister from Planet Weird

family outing, girls' night, kids, pre-teens, teens

family relations, parents and children, siblings relations, youth, alien, high school life, teenager, teenage life, parents separation, misfit, wedding, teenage boy, space and aliens, fish out of water, life turned upside down, female alien, benign alien, half sister, halloween, remarry, ufo, alien planet, strange behavior, stepbrother stepsister relationship, foe turned friend