Grugor presents the 1957 movie "The Mysterians" on KMEG-TV Channel 14, Sioux City, Iowa.Grugor presents the 1957 movie "The Mysterians" on KMEG-TV Channel 14, Sioux City, Iowa.Grugor presents the 1957 movie "The Mysterians" on KMEG-TV Channel 14, Sioux City, Iowa.