| 0 | - | cover | 1 | pencils: Bruce Timm; inks: Bruce Timm; colors: Bruce Timm | |
| 1 | - | cover reprint (on interior page) | 1 | pencils: Mike Parobeck; inks: Rick Burchett; letters: Todd Klein | Batgirl [Barbara Gordon]; Poison Ivy; Harley Quinn |
| 2 | Batgirl: Day One | comic story | 22 | script: Kelley Puckett; pencils: Mike Parobeck; inks: Rick Burchett; colors: Rick Taylor; letters: Tim Harkins | Batgirl [Barbara Gordon]; Commissioner Gordon (guest); Catwoman (villain); Poison Ivy (villain); Harley Quinn (villain, introduction); Batman (cameo) |
| 3 | - | cover reprint (on interior page) | 1 | pencils: Bruce Timm; inks: Bruce Timm | Batman [Bruce Wayne]; Joker; Harley Quinn |
| 4 | - | cover reprint (on interior page) | 1 | pencils: Bruce Timm; inks: Bruce Timm; colors: Bruce Timm | Batman [Bruce Wayne]; Joker; Harley Quinn |
| 5 | Mad Love | comic story | 64 | script: Paul Dini, Bruce W. Timm; pencils: Bruce W. Timm, Glen Murakami; inks: Bruce W. Timm, Glen Murakami; colors: Bruce W. Timm, Rick Taylor, Glen Murakami; letters: Tim Harkins | Batman [Bruce Wayne]; Commissioner Gordon; Harvey Bullock; Alfred Pennyworth; Joker; Harley Quinn |
| 6 | - | cover reprint (on interior page) | 1 | pencils: Alex Ross; inks: Alex Ross; colors: Alex Ross | Harley Quinn, Joker, Harleen Quinzel |
| 7 | - | comic story | 48 | script: Paul Dini; pencils: Yvel Guichet; inks: Aaron Sowd; colors: Tanya Horie, Richard Horie; letters: Willie Schubert | Batman [Bruce Wayne]; Alfred Pennyworth; Dr. Arkham; Harley Quinn [Harleen Quinzel] (villain); Joker (villain); Penguin [Oswald Cobblepot] (villain); Poison Ivy [Pamela Isley] (villain); Ernie (villain, dies) |
| 8 | The Code: 1 | cover reprint (on interior page) | 1 | pencils: Rodolfo Damaggio; inks: Rodolfo Damaggio | Joker |
| 9 | The Code, Part One: Breaking the Law | comic story | 22 | script: Bronwyn Carlton; pencils: Mike Deodato; inks: David Roach; colors: Pam Rambo, Wildstorm FX; letters: John Costanza | Batman; Joker (villain); Harley Quinn (villain); Oracle [Barbara Gordon]; Huntress (last page cameo) |
| 10 | The Code: 2 | cover reprint (on interior page) | 1 | pencils: Rodolfo Damaggio; inks: Rodolfo Damaggio; colors: Patrick Martin | Joker; Huntress; Harley Quinn |
| 11 | The Code, Part 2 | comic story | 22 | script: Bronwyn Carlton; pencils: Tom Morgan; inks: David Roach; colors: Pamela Rambo, Wildstorm FX; letters: John Costanza | Batman; Joker (Villain); Harley Quinn (Villain); Huntress (Guest Star); Oracle [Barbara Gordon] (Cameo); Officer Pettit |
| 12 | Assembly Redux | cover reprint (on interior page) | 1 | pencils: Dale Eaglesham; inks: Danny Miki | Bane, Oswald Cobblepot, Harley Quinn, Joker, Penguin, Harleen Quinzel |
| 13 | No Man's Land: Assembly Redux | comic story | 7 | script: Greg Rucka; pencils: Paul Ryan; inks: Bill Sienkiewicz; colors: Pamela Rambo, Wildstorm FX; letters: Willie Schubert | |
| 14 | - | cover reprint (on interior page) | 1 | pencils: Roger Robinson; inks: James Pascoe; colors: Rob Ro, Alex Bleyaert; letters: Todd Klein | Azrael; Batgirl [Cassandra Cain]; Joker |
| 15 | Evacuation | comic story | 22 | script: Dennis O'Neil; pencils: Roger Robinson; inks: James Pascoe; colors: Rob Ro, Alex Bleyaert; letters: Ken Bruzenak | Azrael; Batman; James Gordon; Batgirl [Cassandra Cain]; Nightwing; Oracle [Barbara Gordon]; Joker; Harley Quinn |
| 16 | Shellgame, Part One | comic story | 3 | script: Greg Rucka; pencils: Sergio Cariello; inks: Mark Pennington; colors: Pamela Rambo; letters: John Costanza | |
| 17 | Shellgame, Part Two | comic story | 6 | script: Greg Rucka; pencils: Sergio Cariello; inks: Mark Pennington; colors: Pamela Rambo; letters: John Costanza | |
| 18 | Endgame: 1 | cover reprint (on interior page) | 1 | pencils: Alex Maleev; inks: Wayne Faucher; colors: Patrick Martin | Batman, Commissioner James Gordon, Joker, Bruce Wayne |
| 19 | Endgame, Part One: Silent Night Holy Night All Is Calm, All Is Bright... | comic story | 7 | script: Greg Rucka, Devin Grayson; pencils: Dale Eaglesham, Damian Scott; inks: John Floyd; colors: Pamela Rambo, Wildstorm FX; letters: Willie Schubert | |
| 20 | Endgame: 2 | cover reprint (on interior page) | 1 | pencils: Alex Maleev; inks: Jesse Delperdang | Huntress |
| 21 | Endgame Part Two: Tender and Mild... | comic story | 22 | script: Greg Rucka; pencils: Dale Eaglesham; inks: John Floyd; colors: Noelle Giddings, Wildstorm FX; letters: Willie Schubert | Joker (villain); Harley Quinn (villain); Huntress |
| 22 | Endgame: 3 | cover reprint (on interior page) | 1 | pencils: Alex Maleev; inks: Bill Sienkiewicz; colors: Patrick Martin | Batman; Joker |
| 23 | Endgame, Part Three: ...Sleep in Heavenly Peace... | comic story | 30 | script: Greg Rucka, Devin Grayson; pencils: Damion Scott, Dale Eaglesham; inks: Sean Parsons, Sal Buscema, Rob Hunter; colors: Pamela Rambo, Wildstorm FX; letters: Willie Schubert | Batman; Joker; Huntress; Nightwing; Harley Quinn; Oracle [Barbara Gordon]; Commissioner Gordon; Sarah Essex; Alfred Pennyworth; Leslie Thompkins; Robin [Tim Drake]; Azrael; Batgirl [Cassandra Cain]; Mercy |
| 24 | No Mercy! | cover reprint (on interior page) | 1 | pencils: Yvel Guichet; inks: Danny Miki; colors: Ian Hannin | Superman; Lex Luthor; Joker; Harley Quinn; Mercy |
| 25 | A Clown Comes to Metropolis | comic story | 22 | script: Joe Kelly; pencils: Kano; inks: Marlo Alquiza; colors: Glenn Whitmore, Wildstorm FX; letters: Richard Starkings, Comicraft | Superman [Clark Kent; Kal-El]; Lois Lane; Jimmy Olsen; Perry White; Lex Luthor; Joker; Harley Quinn [Harleen Quinzel]; Mercy; Hope; Bunny; Gladys |
| 26 | - | cover reprint (on interior page) | 1 | pencils: Stewart Johnson; inks: Wayne Faucher; colors: Wildstorm FX | Catwoman; Harley Quinn |
| 27 | Cat Outta Hell | comic story | 22 | script: Bronwyn Carlton; pencils: Ron Randall; inks: Wayne Faucher, Rodney Ramos; colors: Roberta Tewes, Jamison; letters: Albert T. DeGuzman | Catwoman; Harley Quinn |
| 28 | - | cover reprint (on interior page) | 1 | pencils: Stewart Johnson; inks: Wayne Faucher; colors: Wildstorm FX | Harley Quinn; Batman; Commissioner Gordon |
| 29 | Scavenger Hunt | comic story | 23 | script: Bronwyn Carlton; pencils: Staz Johnson; inks: Wayne Faucher; colors: Roberta Tewes, Jamison; letters: Albert T. De Guzman | Catwoman; Harley Quinn; Batman; Commissioner Gordon; Renee Montoya |
| 30 | Vengeance! | cover reprint (on interior page) | 1 | pencils: Stewart Johnson; inks: Wayne Faucher; colors: Wildstorm FX; letters: Todd Klein | Catwoman; Harley Quinn; Commissioner Gordon |
| 31 | The Lesser of Two Evils | comic story | 21 | script: Bronwyn Carlton; pencils: Staz Johnson; inks: Wayne Faucher, Rodney Ramos; colors: Roberta Tewes, Jamison; letters: Albert De Guzman | Catwoman; Harley Quinn; Batman; Commissioner Gordon; Oracle [Barbara Gordon] |
| 32 | All Aboard-- --The Roller Coaster of Love! | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson | Harley Quinn, Harleen Quinzel |
| 33 | An Harley Quinn Romance | comic story | 38 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Ken Lopez | Buster, Commissioner James Gordon, Jack Happi, Di Happy, Harley Quinn, Pamela Isley, Joker, Lewis LeBeau, Poison Ivy, Harleen Quinzel, Bruce Wayne |
| 34 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson | Harvey Dent, Harley Quinn, Harleen Quinzel, Two-Face |
| 35 | A Heart Broken in Two! | comic story | 23 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Ken Lopez | Mr. Able, Oswald Cobblepot, Harvey Dent, Bo Donner, Jack Happi, Harley Quinn, Pamela Isley, Joker, Penguin, Poison Ivy, Harleen Quinzel, Frank Surley, Kennedy Two-Bear, Nixon Two-Bear |
| 36 | - | cover reprint (on interior page) | 1 | pencils: Stewart Johnson; inks: Wayne Faucher; colors: Wildstorm FX; letters: Todd Klein | Harley Quinn; Catwoman |
| 37 | Always Leave 'Em Laughing | comic story | 22 | script: Bronwyn Carlton; pencils: Staz Johnson, Craig Rousseau; inks: Wayne Faucher; colors: Roberta Tewes, Jamison; letters: Albert De Guzman | Harley Quinn |
| 38 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson | Catwoman, Harley Quinn, Pamela Isley, Selina Kyle, Poison Ivy, Harleen Quinzel |
| 39 | Welcome to the Party! | comic story | 22 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Ken Lopez | Bernadeth, Catwoman, Dr. Carrie Chispazo, Bo Donner, Rose Forrest, Mercy Graves, Jack Happi, Harley Quinn, Bonny Hoffman, Pamela Isley, Jewelee, Selina Kyle, Lashina, Carmen Leno |
| 40 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Buster, Harley Quinn, Lewis LeBeau, Harleen Quinzel, Kennedy Two-Bear, Nixon Two-Bear, Harleen Quinzel |
| 41 | The Wilde Life | comic story | 22 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Sinclair; letters: Lopez | Batman, Bud, Buster, Harley Quinn, Lewis LeBeau, Lou, Harleen Quinzel, Kennedy Two-Bear, Nixon Two-Bear, Bruce Wayne |
| 42 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn, Harleen Quinzel |
| 43 | Larger Than Life | comic story | 22 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Ken Lopez | Amadeus Arkham, Batman, Buster, Dr. Carrie Chispazo, Harvey Dent, Bo Donner, Harley Quinn, Pamela Isley, Joker, Lewis LeBeau, Poison Ivy, Harleen Quinzel, Frank Surley, Kennedy Two-Bear |
| 44 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn, Edward Nigma, Harleen Quinzel, Riddler |
| 45 | Who Wants to Rob a Millionaire? | comic story | 21 | script: Karl Kesel; pencils: Terry Dodson, Craig Rousseau; inks: Rachel Dodson, Wayne Faucher; colors: Alex Sinclair; letters: Ken Lopez | Batgirl, Big Barda, Black Canary, Sasha Bordeaux, Buster, Barbara Gordon, Dick Grayson, Harley Quinn, Dinah Lance, Lewis LeBeau, Nightwing, Edward Nigma, Oracle, Josette Quelle |
| 46 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair | Harley Quinn; Big Barda |
| 47 | Gods and Mobsters | comic story | 22 | script: Karl Kesel; pencils: Terry Dodson; inks: Rachel Dodson; colors: Alex Sinclair; letters: Ken Lopez | Harley Quinn; Riddler; Lewis LeBeau; Buster; Kennedy Two-Bear; Nixon Two-Bear; Quelle; Frank Surley; Bo Donner; Carrie Chispazo; Odin Markus; Big Barda (villain); Oracle (villain) |
| 48 | If the Crime Fits... | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Rachel Dodson; letters: Todd Klein | Harley Quinn; Joker; Guy Kopski |
| 49 | Be Cruel 2 Your School | comic story | 23 | script: Karl Kesel; pencils: Pete Woods; inks: Mark Lipka; colors: Alex Sinclair; letters: Ken Lopez | Harley Quinn (origin); Lewis LeBeau; Buster; Kennedy Two-Bear; Nixon Two-Bear; Frank Surley; Bo Donner; Carrie Chispazo; Joker; Guy Kopski (death); Odin Markus (death); Easy McKee (death) |
| 50 | The Bet | comic story | 8 | script: Paul Dini; pencils: Ronnie Del Carmen; inks: Ronnie Del Carmen; letters: Rick Parker | Batman, Oswald Cobblepot, Jonathan Crane, Harvey Dent, Harley Quinn, Pamela Isley, Joker, Waylon Jones, Killer Croc, Penguin, Poison Ivy, Harleen Quinzel, Scarecrow, Scarface |