| 0 | - | cover | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Terry Dodson | Harley Quinn; Poison Ivy; Superman |
| 1 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn; Poison Ivy; Superman |
| 2 | Bright Lights, Big City: Welcome to Metropolis | comic story | 22 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Ken Lopez | Harley Quinn (feature); Poison Ivy (guest); Jimmy Olsen (guest); Lois Lane (guest); Perry White (guest); Thorn (villain); Inspector Turpin (villain); Clark Kent [Superman] (cameo) |
| 3 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn |
| 4 | Metropolis Mailbag | comic story | 22 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson, Karl Kesel; colors: Alex Sinclair; letters: Kurt Hathaway | Harley Quinn; Poison Ivy; Jimmy Olsen; Perry White; Clark Kent [Superman] (cameo); Bizarro (cameo) |
| 5 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson | Harley Quinn |
| 6 | Both Sides Now | comic story | 21 | script: Karl Kesel; pencils: Terry Dodson, Phil Noto, Craig Rousseau; inks: Rachel Dodson, Phil Noto, Dan Davis; colors: Alex Sinclair; letters: Kurt Hathaway | Harley Quinn (feature); Poison Ivy (guest); Jimmy Olsen (guest); Perry White (guest); Thorn (villain); Inspector Turpin (villain); Clark Kent [Superman] (cameo); Bizarro (cameo) |
| 7 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn; Poison Ivy; Bizarro |
| 8 | #1 Am the Loneliest Number | comic story | 22 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Ken Lopez | Harley Quinn; Poison Ivy (guest); Bizarro (guest); Jimmy Olsen (guest); Thorn (villain); Superman (cameo); Perry White (cameo) |
| 9 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn; Poison Ivy; Bizarro; Thorn |
| 10 | The Bride of Bizarro! | comic story | 22 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Ken Lopez | Harley Quinn; Poison Ivy (guest); Bizarro (guest); Jimmy Olsen (guest); Emeril Chance (guest); Thorn (villain); Superman (cameo); Inspector Turpin (cameo) |
| 11 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Karl Kesel | |
| 12 | Going Out with a Bang! | comic story | 23 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Phil Felix | Emeril Chance (guest); Bizarro Harley (guest, first appearance, death); Thorn (villain) |
| 13 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson | Harley Quinn |
| 14 | Wouldn't Be Caught Dead There | comic story | 22 | script: Karl Kesel; pencils: Brandon Badeaux; inks: Dan Davis; colors: Alex Sinclair; letters: Ken Lopez | Harley Quinn; Lewis LeBeau; Kennedy Twobear; Lester Wilde; Margot Wachsler; The Demon; Detective Pettit |
| 15 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn; Etrigan |
| 16 | Hell and Highwater! | comic story | 22 | script: Karl Kesel; pencils: Brandon Badeaux; inks: Dan Davis; colors: Guy Major; letters: Ken Lopez | Harley Quinn; Etrigan; Ulysses Highwater; Dr. Light; Terra |
| 17 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn |
| 18 | The Ballad of Harley Quinn | comic story | 21 | script: Karl Kesel; pencils: Brandon Badeaux; inks: Rodney Ramos; colors: Guy Major; letters: Ken Lopez | Harley Quinn; Ulysses Highwater; Etrigan; Lewis; Cerberus; Obsession; Two-Bears; Pettit |
| 19 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn |
| 20 | Men Are from Mars-- Women Are from Hell! | comic story | 22 | script: Karl Kesel; pencils: Craig Rousseau; inks: Dan Davis; colors: Guy Major; letters: Jack Morelli | Harley Quinn; Martian Manhunter; Superman; Wonder Woman; Plastic Man; Bette Noir |
| 21 | - | cover reprint (on interior page) | 1 | pencils: Carlo Barberi; inks: Wayne Faucher | Harley Quinn; Martian Manhunter |
| 22 | I Ain't Got No Body--! | comic story | 22 | script: Karl Kesel; pencils: Craig Rousseau; inks: Dan Davis; colors: Guy Major; letters: Ken Lopez | Harley Quinn; Martian Manhunter; Zatanna; Batman |
| 23 | - | cover reprint (on interior page) | 1 | pencils: Carlo Barberi; inks: Álvaro López | Batman; Harley Quinn; Joker |
| 24 | Once More, with Feeling! | comic story | 22 | script: Karl Kesel; pencils: Craig Rousseau; inks: Dan Davis; colors: Guy Major; letters: Ken Lopez | Harley Quinn; Batman; Joker |