| 0 | - | cover | 1 | pencils: Carmine Infantino; inks: Joe Kubert | Flash [Barry Allen] |
| 1 | Presenting The Flash! | cover reprint (on interior page) | 1 | pencils: Carmine Infantino, Robert Kanigher; inks: Joe Kubert; letters: Ira Schnapp | The Flash [Barry Allen] |
| 2 | Mystery of the Human Thunderbolt! | comic story | 12 | script: Robert Kanigher; pencils: Carmine Infantino; inks: Joe Kubert; letters: Gaspar Saladino | The Flash [Barry Allen] (introduction, scientist, origin); The Flash [Jay Garrick] (image only); Iris West (introduction); The Turtle Man [aka later as The Turtle] (villain, introduction) |
| 3 | The Man Who Broke the Time Barrier! | comic story | 10 | script: John Broome; pencils: Carmine Infantino; inks: Joe Kubert; letters: Gaspar Saladino | The Flash [Barry Allen]; Mazdan (villain) |
| 4 | - | cover reprint (on interior page) | 1 | pencils: Carmine Infantino; inks: Frank Giacoia; letters: Ira Schnapp | Flash [Barry Allen] |
| 5 | The Secret of the Empty Box! | comic story | 12 | script: Robert Kanigher; pencils: Carmine Infantino; inks: Frank Giacoia | Flash [Barry Allen]; Iris West |
| 6 | The Coldest Man on Earth! | comic story | 12 | script: John Broome; pencils: Carmine Infantino; inks: Frank Giacoia | Flash [Barry Allen]; Captain Cold [Leonard Snart] (first appearance, origin, villain) |
| 7 | Around the World in 80 Minutes! | cover reprint (on interior page) | 1 | pencils: Carmine Infantino; inks: Frank Giacoia; letters: Ira Schnapp | |
| 8 | Around the World in 80 Minutes! | comic story | 13.67 | script: Robert Kanigher; pencils: Carmine Infantino; inks: Joe Giella; letters: Gaspar Saladino | Flash [Barry Allen]; Iris West; Le Chat Noir (villain); El Claw (villain); Princess Tara |
| 9 | Master of the Elements! | comic story | 12 | script: John Broome; pencils: Carmine Infantino; inks: Frank Giacoia; letters: Gaspar Saladino | Flash [Barry Allen]; Iris West; Mr. Element [Albert Desmond] (first appearance, origin, villain, later called Dr. Alchemy); Argon (villain); Radon (villain); Krypton (villain); Xenon (villain) |
| 10 | Giants of the Time-World! | cover reprint (on interior page) | 1 | pencils: Carmine Infantino; inks: Joe Giella; letters: Ira Schnapp | |
| 11 | Giants of the Time-World! | comic story | 13 | script: Robert Kanigher; pencils: Carmine Infantino; inks: Frank Giacoia | Flash [Barry Allen]; Iris West |
| 12 | The Man Who Changed the Earth! | comic story | 12 | script: John Broome; pencils: Carmine Infantino; inks: Frank Giacoia | Flash [Barry Allen]; Iris West; Dr. Alchemy [Albert Desmond] (villain, origin, formerly Mr. Element); Ben Sniper |
| 13 | Master of Mirrors! | cover reprint (on interior page) | 1 | pencils: Carmine Infantino; inks: Joe Giella | Flash [Barry Allen]; The Mirror Master [Sam Scudder] |
| 14 | Conqueror from 8 Million B.C.! | comic story | 11.33 | script: John Broome; pencils: Carmine Infantino; inks: Joe Giella; letters: Gaspar Saladino | Flash [Barry Allen] (origin recap); Iris West; Katmos (villain); John Haines |
| 15 | The Master of Mirrors! | comic story | 12.67 | script: John Broome; pencils: Carmine Infantino; inks: Joe Giella; letters: Gaspar Saladino | Flash [Barry Allen]; Iris West; Mirror Master [Sam Scudder] |
| 16 | The Pied Piper of Peril! | cover reprint (on interior page) | 1 | pencils: Carmine Infantino; inks: Joe Giella; letters: Ira Schnapp | The Flash [Barry Allen]; The Pied Piper [Hartley Rathaway] |
| 17 | Menace of the Super-Gorilla! | comic story | 14.33 | script: John Broome; pencils: Carmine Infantino; inks: Joe Giella | The Flash [Barry Allen]; Iris West; Gorilla Grodd (first appearance, villain) |
| 18 | The Pied Piper of Peril! | comic story | 9.67 | script: John Broome; pencils: Carmine Infantino; inks: Joe Giella | The Flash [Barry Allen]; Iris West; The Pied Piper [Hartley Rathaway] (first appearance, villain) |