Although Mack V. Wright portrayed the Lion Man, it was J. Barney Sherry who was unmasked as his alter ego at the serial's end. This strategy was later used for the Republic serial "The Masked Marvel".
Chapter titles:
1. Flames of Hate
2. Rope of Death
3. Kidnappers
4. A Devilish Device
5. In the Lion's Den
6. House of Horrors
7. Doomed
8. Dungeon of Despair
9. Sold into Slavery
10. Perilous Plunge
11. At the Mercy of Monsters
12. Jaws of Destruction
13. When Hell Broke Loose
14. Desperate Deeds
15. Furnace of Fury
16. Relentless Renegades
17. In Cruel Clutches
18. In the Nick of Time