The Ephraim Theater opened before 1927^[1] and showed movies about 1935.^[2]

1. Polk’s Utah Gazetteer and Business Directory, 1927-1928, 1930-1931
2. "Rural 2", movie-theatre.org, listing as its sources the Film Weekly Film Journal yearbooks 1920, 1925, 1930, 1935, 1940, 1945, 1950, 1955 and International motion picture almanacs 1961, 1964, 1969, 1975, 1980, 1985, 1990, 1995, 1998, 2000