| 0 | - | cover | 1 | pencils: Pagsilang Isip; inks: Pagsilang Isip | Human Meteor [Duke O'Dowd] |
| 1 | The Return of Genghis Khan | comic story | 9 | pencils: Ed Waldman; inks: Ed Waldman | Prof. Ruxton (introduction); Genghis Khan (villain); Wah Le (guest-star) |
| 2 | The Black Legion | comic story | 8 | pencils: Art Peddy; inks: Art Peddy | The Black Legion [Gus (villain, introduction); Scheiner (villain, introduction); Hans Schmutzdoff (villain, introduction)]; Lee Hunt (introduction); Aunt Maud (introduction) |
| 3 | A Boatload of Spies | comic story | 4 | script: ? [as Bert Ellis] | Ripper (villain, introduction); Cokey (villain, introduction); Gregor (villain, introduction); other spies (villains, introductions) |
| 4 | A Whale of Fun | comic story | 2 | script: Art Helfant; pencils: Art Helfant; inks: Art Helfant | |
| 5 | Episode Eleven | comic story | 5 | script: Toni Blum; pencils: Rudy Palais; inks: Rudy Palais | Matsoka (villain, introduction) |
| 6 | Trial by Conscience | text story | 2 | script: Gene Kelly | |
| 7 | The Aerial Torpedo Plot | comic story | 9 | pencils: Sy Reit; inks: Sy Reit | Herb Latham (introduction); The Nazis (villains) |
| 8 | The Secret Invasion Base | comic story | 4 | pencils: ? [as Speed Mason] | The Nazis (villains) |
| 9 | The Ivory Hunters | comic story | 4 | pencils: S. M. Zuckerberg; inks: S. M. Zuckerberg | A band of ivory hunters (villains, introductions) |
| 10 | The Kidnapping of Sir Ronald Sibbs | comic story | 4 | pencils: Art Saaf; inks: Art Saaf | Sir Ronald Sibbs (introduction); Bob Book (villain, introduction); Mountain (villain, introduction); other spies (villain, introduction) |
| 11 | The Nazi Infiltrators | comic story | 4 | script: Bently Wade | Nazis (villains); the Scalemen (introductions) |
| 12 | - | comic story | 7 | script: Toni Blum; pencils: Alex Blum; inks: Alex Blum | Dr. Miracle; J. Hendricks (introduction); Adele Hendricks (introduction); Sheik Ben-Ad (a ghost, introduction); Baldy (villain, introduction); his two partners (villain, introduction, one death); a genie (villain, introduction, death) |