The theme of an alien species sent to Earth to learn or collect information about human experiences and actions appears in each of the provided film descriptions. The entities in the stories are all female and referred to as Femaliens. Each film's narrative centers around the Femaliens' mission and the obstacles they face on Earth. The unique combination of erotic comedy, action, and sci-fi genres creates captivating and unforgettable stories. The films strike a balance between hilarious comedic moments, intense action sequences, and heartwarming emotional journeys. Each installment of Femaliens never fails to surprise audiences with imaginative plot twists and surprise cameos.