What Planet Are You From? (2000)

When the leader Graydon of a highly developed civilization without emotion and composed only by asexual men reproduced by cloning decides to invade Earth, he sends his best student, Harold Anderson, to impregnate a woman. He is fitted with a humming penis and uses the identity of a banker in Phoenix. Harold is clumsy with women until he meets the promiscuous and alcoholic Susan in an AA meeting and she tells him that she will only have sex when she gets married. Harold proposes Susan to get married with him to get in her pants, and when she says that she is pregnant, he has some emotion. Meanwhile, the Federal Aviation Administration agent Roland Jones suspects that Harold is an alien.