| 0 | When the Earth Blacked Out! | cover | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | Atomic Knights |
| 1 | For the Best in Comics Entertainment | promo (ad from the publisher) | 1 | | |
| 2 | When the Earth Blacked Out! [Chapter 1] | comic story | 8.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | Gardner Grayle, Douglas Herald, Marene Herald, Hollis Hobard, Wayne Hobard, Bryndon |
| 4 | - | letters page | 1 | script: Julius Schwartz | |
| 5 | Krypton, the World where Superman Was Born, Lives Again! | promo (ad from the publisher) | 0.5 | pencils: Curt Swan; inks: George Klein; letters: Ira Schnapp | |
| 7 | When the Earth Blacked Out! Chapter 2 | comic story | 5.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | Gardner Grayle, Douglas Herald, Marene Herald, Hollis Hobard, Wayne Hobard, Bryndon |
| 9 | - | letters page | 1 | script: Julius Schwartz | |
| 10 | Optical -- Visual -- Spectroscopic -- Eclipsing Binary Stars | cartoon | 0.5 | | |
| 12 | Buzzy's Rules of Water Safety! | public service announcement | 1 | script: Jack Schiff; pencils: Win Mortimer; inks: Win Mortimer; letters: Ira Schnapp | Buzzy Brown; Susie Gruff; Wolfie |
| 13 | The Imaginary Dooms! | comic story | 8.67 | script: Gardner Fox; pencils: Carmine Infantino; inks: Joe Giella; letters: Gaspar Saladino | |
| 15 | Batman and Robin's Most Fantastic Foes! | promo (ad from the publisher) | 0.5 | letters: Ira Schnapp | |
| 16 | See the Many Exciting Roles of Lois Lane... | promo (ad from the publisher) | 0.5 | pencils: Kurt Schaffenberger; inks: Kurt Schaffenberger; letters: Ira Schnapp | |