American dad, aliens fall in love with fish is season 1 episode 7. The story of "American Dad" revolves around the administrator of Westinghouse Electric Company. He is a middle-aged man who loves his wife most, but he is also a heavy smoker, an alcoholic and a far-right conservative. He has two children, one is simple and the other is neurotic. This animation can't be watched by children because it contains violence, blood, adult humor, sexual suggestion and so on, and it is very popular with audiences of all ages.