USA
A teenager's life is disrupted when her mother falls in love with an alien. - IMDb
| Alieni in famiglia |  Italy |
| Ma soeur est une extraterrestre |  France |
| Meine Stiefschwester ist ein Alien |  West Germany |
| Mi hermana es un extraterrestre |  Spain |
| Minha Irmã é um Extraterrestre |  Brazil |
| A Minha Irmã É Uma Extraterreste |  Portugal |
| Nővérem, a marslakó |  Hungary |
| Przyrodnia siostra z innej planety |  Poland |
| Rude de pe alta planeta |  Romania |
| Stepsister from Planet Weird | USA |
| Styvsyster från en konstig planet |  Sweden |
| Моя зведена сестра - інопланетянка |  Ukraine |
| Сестрёнка с приветом |  Russia |
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Vanessa Lee Chester [15] | Michelle |
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Courtnee Draper [15] | Megan Larson |
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Brooke Harman [14] | Jill |
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Thomas M. Wright [16] | Cutter |
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Lauren Maltby [15] | Heather Hartman |
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Myles Jeffrey [9] | Trevor Larson |
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Tamara Hope [15] | Ariel Cola |
