| 0 | - | cover | 1 | pencils: Lou Fine; inks: Lou Fine | Doll Man [Darrel Dane] |
| 1 | - | cartoon | 0.67 | script: Ed Reed; pencils: Ed Reed; inks: Ed Reed; letters: Ed Reed | |
| 2 | The FBI Agent Killing | comic story | 5 | script: George Brenner; pencils: George Brenner; inks: George Brenner | The Clock [Brian O'Brien]; Carl Adolf Voss (first appearance; villain) |
| 3 | - | comic story | 4 | script: Monte Barrett; pencils: Russell Ross; inks: Russell Ross | Jane Arden; Lena Pry |
| 4 | The Phoney Gold Shipment | comic story | 4 | script: Art Pinajian; pencils: Art Pinajian; inks: Art Pinajian | Lane (first appearance; villain); Jeff Dixon (first appearance; villain) |
| 5 | A Lively Day | comic story | 2 | script: H. J. Tuthill; pencils: H. J. Tuthill; inks: H. J. Tuthill | |
| 6 | - | comic story | 1 | script: Rube Goldberg; pencils: Rube Goldberg; inks: Rube Goldberg | |
| 7 | - | cartoon | 0.67 | script: Ed Reed; pencils: Ed Reed; inks: Ed Reed; letters: Ed Reed | |
| 8 | Collision at Sea | comic story | 4 | script: Bob Powell; pencils: Bob Powell; inks: Bob Powell | Spin Shaw [Capt. S. R. "Spin" Shaw]; Captain "Poison" Atkins (first appearance); Ann Atkins (first appearance) |
| 9 | - | comic story | 4 | script: Bob Zuppke; pencils: Walt Depew; inks: Walt Depew | |
| 10 | The Fate of the Dragon | comic story | 4 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Captain Fortune [Tyrone Fortune] |
| 11 | - | comic story | 2 | pencils: John Devlin; inks: John Devlin | Lala Palooza |
| 12 | The Bomber Engine Robberies | comic story | 4 | script: Will Eisner; pencils: Will Eisner, Lou Fine; inks: Lou Fine | Doll Man [Darrel Dane]; The Nazis (villains) |
| 13 | - | comic story | 2 | pencils: John Devlin; inks: John Devlin | |
| 14 | The Bridge Blasters | comic story | 4 | script: Bill Smith; pencils: Bill Smith; inks: Bill Smith | Rance Keane; Seth Cheatham (first appearance; villain) |
| 15 | - | comic story | 4 | script: Ham Fisher; pencils: Ham Fisher; inks: Ham Fisher | Joe Palooka; Max; Knobby |
| 16 | - | comic story | 2 | script: J. P. McEvoy; pencils: John Striebel; inks: John Striebel | |
| 17 | Smoke Screen | text story | 2 | script: A. L. Allen | Walter |
| 18 | - | cartoon | 1 | script: Ed Reed; pencils: Ed Reed; inks: Ed Reed; letters: Ed Reed | |
| 19 | The World's First Vault over Fourteen Feet | comic story | 1 | letters: typeset | Sabin Carr |
| 20 | The Dr. Croft Ruby Mystery: Part 1 | comic story | 4 | script: Alfred Andriola; pencils: Alfred Andriola; inks: Alfred Andriola | Charlie Chan |
| 21 | - | comic story | 1 | script: George Marcoux; pencils: George Marcoux; inks: George Marcoux | |
| 22 | - | comic story | 1 | script: Bill Sakren; pencils: Bill Sakren; inks: Bill Sakren | |
| 23 | Episode 31 | comic story | 2 | script: John Welch; pencils: Jack W. McGuire; inks: Jack W. McGuire | |
| 24 | - | comic story | 1 | script: Rube Goldberg; pencils: Rube Goldberg; inks: Rube Goldberg | |
| 25 | - | comic story | 4 | script: Lank Leonard; pencils: Lank Leonard; inks: Lank Leonard | |