Really would like to recommend this one but forget it. The serial becomes boring after chapter 2 and stays that way until chapter 9. Short screams at anything! Beery is lousy! Dialogue is dumb! It DOES get better when they reach the lost kingdom of Mu however. John Davidson gives a sinister performance here but he comes way too late in the serial. Music is repetitious for the most part until chapter 10. The feature version "Savage Fury" is much better because it concentrates on final chapter footage. A misfire for Universal here.