The film was premiered ( as Grave Robbers ) at a very small screening in 1957 , was only released theatrically under the title Plan Nine from Outer Space in 1959 .
The film was was sold to late night television in 1961 , thereby finding an audience .
The film was premiered ( as Grave Robbers ) at a very small screening in 1957 , was only released theatrically under the title Plan Nine from Outer Space in 1959 , and was sold to late night television in 1961 , thereby finding an audience .