| 0 | - | cover | 1 | pencils: Ryan Sook; inks: Ryan Sook; colors: Ryan Sook | Nightwing [Dick Grayson; also as Robin] |
| 1 | - | blank page(s) | 1 | | |
| 2 | Nightwing: The Lost Year | credits, title page | 1 | | |
| 3 | Nightwing: The Lost Year | credits, title page | 2 | | |
| 4 | Hero's Journey | cover reprint (on interior page) | 1 | pencils: Joe Bennett; inks: Jack Jadson; colors: Jason Wright | Batgirl [Barbara Gordon]; Robin [Dick Grayson] |
| 5 | Hero's Journey | comic story | 38 | script: Marc Andreyko; pencils: Joe Bennett; inks: Jack Jadson; colors: Jason Wright; letters: Phil Balsman | Nightwing [Dick Grayson; also as Robin in flashback]; Oracle [Barbara Gordon; also as Batgirl in flashback]; Batman [Bruce Wayne]; Robin [Tim Drake]; Starfire [Koriand'r; Kory Anders] (flashback); Wonder Woman [Diana]; Dr. Mid-Nite [Pieter Cross]; Alfred Pennyworth (flashback); Tarantula [Catalina F |
| 6 | 321 Days: Part One | cover reprint (on interior page) | 1 | pencils: Ryan Sook; inks: Ryan Sook; colors: Ryan Sook | Nightwing [Dick Grayson; also as Robin] |
| 7 | 321 Days, Part One | comic story | 22 | script: Marv Wolfman; pencils: Jamal Igle; inks: Keith Champagne; colors: Edgar Delgado; letters: Jared K. Fletcher | Nightwing [Dick Grayson; as Robin in flashback]; Vigilante; Dennis West; Charlene West; Liu; Simon Widge (villain); Eddie (villain) |
| 8 | 321 Days: Part Two | cover reprint (on interior page) | 1 | pencils: Ryan Sook; inks: Ryan Sook; colors: Ryan Sook | Nightwing [Dick Grayson]; Vigilante |
| 9 | 321 Days, Part Two: The Best Friend | comic story | 22 | script: Marv Wolfman; pencils: Jamal Igle; inks: Keith Champagne; colors: Edgar Delgado; letters: Travis Lanham | Nightwing [Dick Grayson; also as Robin in flashback]; Batman [Bruce Wayne] (flashback); Alfred Pennyworth (flashback); Vigilante; Jorge; Ryan; Liu; Metal Eddie |
| 10 | - | blank page(s) | 1 | | |
| 11 | 321 Days: Part Three | cover reprint (on interior page) | 1 | pencils: Ryan Sook; inks: Ryan Sook; colors: Ryan Sook | Vigilante; Nightwing [Dick Grayson] |
| 12 | 321 Days, Part Three: The Gang | comic story | 22 | script: Marv Wolfman; pencils: Jon Bosco; inks: Alex Silva; colors: Edgar Delgado; letters: Travis Lanham | Nightwing [Dick Grayson; also as Robin in flashback]; Batman [Bruce Wayne] (flashback); Alfred Pennyworth (flashback); Vigilante; Liu (flashback); Metal Eddie (flashback) |
| 13 | 321 Days: Part Four | cover reprint (on interior page) | 1 | pencils: Ryan Sook; inks: Ryan Sook; colors: Ryan Sook | Nightwing; Vigilante |
| 14 | 321 Days, Part Four: The Plan | comic story | 22 | script: Marv Wolfman; pencils: Jon Bosco; inks: Alex Silva; colors: Studio F; letters: John J. Hill | Nightwing [Dick Grayson]; Vigilante; Liu (villain); Metal Eddie Hwang (villain); 21 Tigers (villains); Mr. Anthony (villain); Jumbo Jim (villain); The Crawler (villain) |
| 15 | 321 Days: Conclusion | cover reprint (on interior page) | 1 | pencils: Ryan Sook; inks: Ryan Sook; colors: Ryan Sook | Nightwing; Liu; Metal Eddie Hwang |
| 16 | 321 Days, Conclusion: The Assault | comic story | 22 | script: Marv Wolfman; pencils: Jon Bosco; inks: Alex Silva; colors: Studio F; letters: Steve Wands | Nightwing [Dick Grayson]; Vigilante; Liu (villain); Metal Eddie Hwang (villain); 21 Tigers (villains) |
| 17 | - | promo (ad from the publisher) | 2 | letters: typeset | |
| 18 | - | blank page(s) | 1 | | |
| 19 | A Hero's Journey | promo (ad from the publisher) | 1 | letters: typeset | |