| 0 | - | cover | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | Harley Quinn; Batman |
| 1 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Paul Mounts | Harley Quinn [Harleen Quinzel] |
| 2 | Scratch & Snuff | comic story | 38 | script: Amanda Conner, Jimmy Palmiotti; pencils: John Timms, Stjepan Šejić, Joe Quinones, Ben Caldwell, Kelley Jones; inks: John Timms, Stjepan Šejić, Joe Quinones, Ben Caldwell, Kelley Jones; colors: Paul Mounts, Stjepan Šejić, Joe Quinones, Rico Renzi, Michelle Madsen; letters: John J. Hill | Harley Quinn [Harleen Quinzel; also as Harley Cat]; Batman [Bruce Wayne] (hallucination); Big Tony; Catwoman [Selina Kyle] (hallucination); Clayface [Basil Karlo] (hallucination); Dr. Bash; Dr. Bliss; Dr. Hugo Strange (hallucination); Dr. Jeremiah Arkham (hallucination); Egg Fu [Edgar Fullerton Yeun |
| 3 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Paul Mounts | Harley Quinn [Harleen Quinzel]; Bernie (a beaver) |
| 4 | Bad Toy | comic story | 19 | script: Amanda Conner, Jimmy Palmiotti; pencils: Mauricet; inks: Mauricet; colors: Dave McCaig; letters: John J. Hill | Harley Quinn [Harleen Quinzel]; Bernie (a beaver); Big Tony; Cindy; Egg Fu [Edgar Fullerton Yeung]; Goatboy; Linda; Poison Ivy [Pamela Isley]; Queenie; Rodney; Syborg [Sy Borgman] |
| 5 | - | illustration | 1 | pencils: Billy Tucci; inks: Billy Tucci; colors: Hi-Fi | Harley Quinn [Harleen Quinzel] |
| 6 | Get Your Cheer Outta My Ear | comic story | 8 | script: Amanda Conner, Jimmy Palmiotti; pencils: Amanda Conner, Brandt Peters; inks: Brandt Peters; colors: Paul Mounts; letters: John J. Hill | Harley Quinn [Harleen Quinzel]; Humbug; Santa Claus |
| 7 | - | illustration | 1 | pencils: Billy Tucci; inks: Billy Tucci; colors: Hi-Fi | Harley Quinn [Harleen Quinzel] |
| 8 | Killin' Time | comic story | 9 | script: Amanda Conner, Jimmy Palmiotti; pencils: Darwyn Cooke; inks: Darwyn Cooke; colors: Dave Stewart; letters: John J. Hill | Harley Quinn [Harleen Quinzel]; Bernie (a beaver); Big Tony; Harold Tyme; Lillian Tyme; Mr. Tyme; Mrs. Tyme; Queenie |
| 9 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | Harley Quinn; Batman |
| 10 | Just Batty Over You | comic story | 39 | script: Amanda Conner, Jimmy Palmiotti; pencils: John Timms, Ben Caldwell, Aaron Campbell, Thony Silas; inks: John Timms, Ben Caldwell, Aaron Campbell, Thony Silas; colors: Paul Mounts, Ben Caldwell, Hi-Fi; letters: John J. Hill | Harley Quinn; Batman |
| 11 | - | cover reprint (on interior page) | 1 | pencils: Ant Lucia; inks: Ant Lucia; colors: Ant Lucia | Harley Quinn [Harleen Quinzel] |
| 12 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | Harley Quinn [Harleen Quinzel]; Father Time |
| 13 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner, Dave Johnson; inks: Amanda Conner, Dave Johnson; colors: Alex Sinclair | |
| 14 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Paul Mounts | Harley Quinn |
| 15 | A Day in the Life | comic story | 20 | script: Amanda Conner, Jimmy Palmiotti; pencils: Chad Hardin; inks: Chad Hardin; colors: Alex Sinclair; letters: John J. Hill | Harley Quinn |
| 16 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | Harley Quinn; Poison Ivy; Sy Borgman; Tony Delfin; Mason Macabre; Madame Macabre; Goat Boy |
| 17 | Demental Overload | comic story | 20 | script: Amanda Conner, Jimmy Palmiotti; pencils: Chad Hardin, John Timms; inks: Chad Hardin, John Timms; colors: Alex Sinclair, Paul Mounts; letters: John J. Hill | Harley Quinn; Tinderbox; Poison Ivy; Tony Delfin; Mason Macabre; Antonia Moore [later known as Harlem Harley]; Shona Choudhury [later known as Bolly Quinn]; Carlita Alvarez [later known as Carli Quinn] |
| 18 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | Harley Quinn |
| 19 | Be Careful What'cha Wish For... | comic story | 20 | script: Amanda Conner, Jimmy Palmiotti; pencils: Chad Hardin, John Timms; inks: Chad Hardin, John Timms; colors: Alex Sinclair, Paul Mounts; letters: John J. Hill | Harley Quinn |
| 20 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | |
| 21 | - | cover reprint (on interior page) | 1 | pencils: Bruce Timm; inks: Bruce Timm; colors: Bruce Timm | Harley Quinn; Joker; Batman; Flash [Barry Allen] |
| 22 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner, Dave Johnson; inks: Amanda Conner, Dave Johnson; colors: Alex Sinclair | |
| 23 | - | cover reprint (on interior page) | 1 | pencils: Marco D'Alfonso; inks: Marco D'Alfonso; colors: Marco D'Alfonso | |
| 24 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | Harley Quinn |
| 25 | - | cover reprint (on interior page) | 1 | pencils: Dave Johnson; inks: Dave Johnson; colors: Dave Johnson | Harley Quinn |