| 0 | Starro the Conqueror! | cover | 1 | pencils: Mike Sekowsky; inks: Murphy Anderson | Justice League of America [Green Lantern [Hal Jordan]; Aquaman; Wonder Woman; Flash [Barry Allen]; Martian Manhunter [J'onn J'onzz]]; Starro |
| 1 | Starro the Conqueror! | comic story | 5 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs | Wonder Woman; Aquaman; Superman [cameo]; Green Lantern [Hal Jordan]; Batman [cameo]; Flash [Barry Allen]; Martian Manhunter [J'onn J'onzz] [all as the Justice League of America, first appearance]; Starro; Steve Trevor [cameo]; Captain Harding [cameo] |
| 2 | Starro vs. Green Lantern | comic story | 5 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Joe Giella | Green Lantern; Starro's deputy (an ordinary starfish grown to giant size and having all of Starro's abilities) |
| 3 | Starro vs. Wonder Woman and John Jones | comic story | 6 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs | Martian Manhunter [J'onn J'onzz; John Jones]; Wonder Woman; Starro |
| 4 | Starro vs. the Flash! | comic story | 6 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Murphy Anderson | Flash [Barry Allen]; Snapper Carr [first appearence]; Starro; John Carr [Snapper's father]; Mrs. Carr [Snapper's mother]; Janet Carr [Snapper's sister] |
| 5 | Starro vs. Justice League of America | comic story | 3.67 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs | Justice League of America [Martian Manhunter [J'onn J'onzz]; Aquaman; Green Lantern [Hal Jordan]; Flash [Barry Allen]; Wonder Woman; Batman (cameo); Superman (cameo)]; Snapper Carr; Starro |