Two different perspectives on the immigrant struggles are found in a documentary about the radio and television program "The Goldbergs" and a science fiction thriller about the treatment of an immigrant alien community. "Yoo-Hoo Mrs. Goldberg" is optimistic and celebrates the achievements of an established ethnic community in America and the woman who conceived and implemented the idea for the show. "District 9," excites and terrifies with an imaginary future ethnic catastrophe. A third movie, "Amreeka," deals with an ethnic immigrant drama of the present, neither sentimental about past ethnic struggles nor frightening about future disasters. It is, therefore, the most unsettling and least amusing of the three, in spite of its conventional upbeat ending.