| 0 | The Day That Dropped Out of Time! | cover | 1 | pencils: Irwin Hasen; inks: Irwin Hasen | Justice Society of America [The Atom [Al Pratt]; Dr. Mid-Nite [Dr. Charles McNider]; The Flash [Jay Garrick]; Wonder Woman [Diana Prince]; Hawkman [Carter Hall]; Green Lantern [Alan Scott]; Johnny Thunder]; Per Degaton |
| 1 | Editorial Advisory Board | promo (ad from the publisher) | 0.33 | letters: typeset | |
| 2 | Funny Stuff | promo (ad from the publisher) | 0.67 | | |
| 3 | The Day That Dropped Out of Time [Introduction] | comic story | 7 | script: John Broome; pencils: Irwin Hasen; inks: Irwin Hasen | Justice Society of America [The Atom [Al Pratt]; Johnny Thunder; Hawkman [Carter Hall] (Chairman); Wonder Woman [Diana Prince] (Secretary); Green Lantern [Alan Scott]; The Flash [Jay Garrick]; Dr. Mid-Nite [Dr. Charles McNider]]; Hippolyte (Wonder Woman's mother, mention only); unnamed Mayor of Goth |
| 4 | The Day That Dropped Out of Time, Chapter 1 | comic story | 5 | script: John Broome; pencils: Lee Elias; inks: Lee Elias | The Flash [Jay Garrick]; Per Degaton (villain); Degaton's three unnamed assistants (villains) |
| 6 | The Day That Dropped Out of Time, Chapter 2 | comic story | 5 | script: John Broome; pencils: Paul Reinman; inks: Paul Reinman | The Atom [Al Pratt]; Per Degaton (villain); Kale (villain, Degaton's chief assistant); Degaton's other unnamed assistants (villains) |
| 8 | The Day That Dropped Out of Time, Chapter 3 | comic story | 5 | script: John Broome; pencils: Joe Kubert; inks: Joe Kubert | Hawkman [Carter Hall]; unnamed Gotham City Mayor; Per Degaton (villain); Kale (villain); Degaton's unnamed assistants (villains) |
| 11 | The Day That Dropped Out of Time, Chapter 4 | comic story | 5 | script: John Broome; pencils: Frank Harry; inks: Frank Harry | Dr. Mid-Nite [Dr. Charles McNider]; Professor Appleby (chemist); Professor Braun (physicist); Professor Staley (biologist); Per Degaton (villain); Kale (villain); Degaton's unnamed assistants (villains) |
| 12 | The Day That Dropped Out of Time, Interlude | comic story | 1 | script: John Broome; pencils: Irwin Hasen; inks: Irwin Hasen | Justice Society of America [The Flash [Jay Garrick]; Green Lantern [Alan Scott]; Wonder Woman [Diana Prince]; Dr. Mid-Nite [Dr. Charles McNider]; The Atom [Al Pratt]; Johnny Thunder]; Professor Zee |
| 14 | The Day That Dropped Out of Time, Chapter 5 | comic story | 5 | script: John Broome; pencils: Irwin Hasen; inks: Irwin Hasen | Justice Society of America [Green Lantern [Alan Scott]; Hawkman [Carter Hall] (cameo); Johnny Thunder (cameo); Wonder Woman [Diana prince] (cameo); Dr. Mid-Nite [Dr. Charles McNider] (cameo); The Atom [Al Pratt] (cameo); The Flash [Jay Garrick] (cameo)]; Per Degaton (villain); Kale (villain); Degato |
| 16 | Out of the Gag-Bag | cartoon | 0.5 | script: Ed Wheelan; pencils: Ed Wheelan; inks: Ed Wheelan; letters: Ed Wheelan | |
| 18 | The Trap | text story | 2 | script: Charles King | |
| 19 | The Day That Dropped Out of Time, Conclusion | comic story | 5 | script: John Broome; pencils: Irwin Hasen; inks: Irwin Hasen | Justice Society of America [Johnny Thunder; Dr. Mid-Nite [Dr. Charles McNider]; The Atom [Al Pratt]; Hawkman [Carter Hall]; Green Lantern [Alan Scott]; Wonder Woman [Diana Prince]; The Flash [Jay Garrick]]; Professor Zee (cameo); Alexander the Great (cameo, flashback); Per Degaton (villain); Kale (v |
| 21 | Flash Comics | promo (ad from the publisher) | 1 | | |