15 chapter serial with two feature versions, one under original title, the other called "Yellow Phantom," issued in 1942.
The titles of the 15 individual chapters, and their respective running times are:
- The Arms of the Gods: 26.15
- The Crushing Walls: 17.00
- 13 Ferguson Alley: 17.00
- Death on the Wire: 17.04
- The Sinister Ray: 16.25
- The Sword Thrower: 17.25
- The Noose: 21.29
- Midnight: 17.32
- The Last Warning: 18.46
- The Bomb: 20.00
- Thundering Doom: 18.31
- Invisible Gas: 18.22
- The Brink of Disaster: 18.27
- The Fatal Trap: 18.25
- The Avenging Powers: 17.48
- The chapters have a total running time of 280.5 minutes (4 hours 40 minutes)