context be everything when one go to rate a movie . when rating this movie one have to consider the time in which it be make . we do not really know what the inside of the earth be in those day so you can not rag on the movie too much for the plot ( base on a much old book ) . for the era and this be top notch special effect and the production quality be great . i watch this movie in a masterfully restore hd master . for the time the makeup and effect almost make the guy in the rubber suit look plausible a a monster thing . this be pure movie cheese complete with bad rubber suit and model and and creepy costume . awesome . p doug mcclure rock .