This movie was released in both silent and "sound" versions. The sound consisted of a crude musical score, sound effects and a few lip-synched lines on a record.
"Tarzan the Terrible" was planned but the studio decided that Frank Merrill's voice wasn't right for talkies and the film was scrapped.
CHAPTER TITLES: 1. Call of the Jungle; 2. The Road To Opar; 3. The Altar of the Flaming God; 4. The Vengeance of La; 5. Condemned To Death; 6. Tantor the Terror; 7. The Deadly Peril; 8. Loop of Death; 9. Flight of Werper; 10. Prisoner of the Apes; 11.The Jaws of Death; 12.The Jewels of Opar; 13. A Human Sacrifice; 14. Tarzan's Rage; 15. Tarzan's Triumph.
This serial only survived because it had been released as a "talking" serial.