| 0 | Starro the Conqueror! | cover | 1 | pencils: Mike Sekowsky; inks: Murphy Anderson; colors: Jack Adler; letters: Ira Schnapp | Barry Allen, Aquaman, Arthur Curry, The Flash, Green Lantern, J'Onn J'Onzz, Hal Jordan, Martian Manhunter, Princess Diana, Starro First, Wonder Woman |
| 2 | Starro the Conqueror! | comic story | 5 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs; letters: Gaspar Saladino | Barry Allen, Aquaman, Batman, Arthur Curry, The Flash, Green Lantern, J'Onn J'Onzz, Hal Jordan, Clark Kent, Martian Manhunter, Princess Diana, Starro First, Superman, Steve Trevor |
| 3 | Superboy Says: "It's Fun to Help Others!" | public service announcement | 1 | script: Jack Schiff; pencils: Curt Swan; inks: Stan Kaye; letters: Ira Schnapp; editing: Jack Schiff | Clark Kent, Superboy |
| 6 | Starro vs. Green Lantern | comic story | 5 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Joe Giella; letters: Gaspar Saladino | Green Lantern, Hal Jordan, Starro First |
| 7 | Starro vs. Wonder Woman and John Jones | comic story | 6 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs; letters: Gaspar Saladino | J'Onn J'Onzz, Martian Manhunter, Princess Diana, Starro First, Wonder Woman |
| 8 | The "Starfish" Family | illustration | 1 | | |
| 9 | Faster Than Light! | text article | 1 | letters: typeset | |
| 10 | Starro vs. the Flash! | comic story | 6 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Murphy Anderson; letters: Gaspar Saladino | Barry Allen, Janet Carr First, John Carr First, Mrs. Carr First, Snapper Carr First, The Flash, Starro First |
| 11 | Starro vs. Justice League of America | comic story | 3.67 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs; letters: Gaspar Saladino | Barry Allen, Aquaman, Batman, Snapper Carr First, Arthur Curry, The Flash, Green Lantern, J'Onn J'Onzz, Hal Jordan, Clark Kent, Martian Manhunter, Princess Diana, Starro First, Superman |
| 12 | Statement of Ownership | statement of ownership | 0.33 | script: Jack Liebowitz | |