| 0 | - | cover | 1 | pencils: Adam Bryce Thomas; inks: Adam Bryce Thomas; colors: Adam Bryce Thomas | |
| 1 | - | credits, title page | 3 | letters: typeset | |
| 2 | Sonic the Hedgehog #67 Cover | cover reprint (on interior page) | 1 | pencils: Miles Arq; inks: Miles Arq; colors: Miles Arq | |
| 3 | Second Chances | comic story | 20 | script: Ian Flynn; pencils: Thomas Rothlisberger; inks: Matt Froese; colors: Leonardo Ito; letters: Shawn Lee | Amy Rose; Blaze the Cat; Clutch the Opossum; Kitsunami the Fennec; Knuckles the Echidna; Mimic; Belle the Tinkerer; Lanolin the Sheep; Tangle the Lemur; Whisper the Wolf; Jewel the Beetle; Rough the Skunk; Sonic the Hedgehog; Shadow the Hedgehog; Silver the Hedgehog; Surge the Tenrec; Tumble the Sku |
| 4 | Sonic the Hedgehog #67 Nathalie Fourdraine Variant Cover | cover reprint (on interior page) | 1 | pencils: Nathalie Fourdraine; inks: Nathalie Fourdraine; colors: Nathalie Fourdraine | |
| 5 | Sonic the Hedgehog #68 Cover | cover reprint (on interior page) | 1 | pencils: Min Ho Kim; inks: Min Ho Kim; colors: Min Ho Kim | |
| 6 | The Protector | comic story | 20 | script: Evan Stanley; pencils: Evan Stanley; inks: Evan Stanley, Matt Froese; colors: Josh Burcham; letters: Shawn Lee | Tails [Miles Prower]; Sonic the Hedgehog |
| 7 | Sonic the Hedgehog #68 Nathalie Fourdraine Variant Cover | cover reprint (on interior page) | 1 | pencils: Nathalie Fourdraine; inks: Nathalie Fourdraine; colors: Nathalie Fourdraine | |
| 8 | Sonic the Hedgehog's 900th Adventure Cover | cover reprint (on interior page) | 1 | pencils: Tracy Yardley; inks: Tracy Yardley; colors: Tracy Yardley | |
| 9 | - | comic story | 40 | script: Ian Flynn, Evan Stanley, Nigel Kitching, Daniel Barnes, Aaron Hammerstrom, Caleb Goellner; pencils: Adam Bryce Thomas, Evan Stanley, Mauro Fonseca, Min Ho Kim, Aaron Hammerstrom, Abby Bulmer; inks: Adam Bryce Thomas, Evan Stanley, Rik Mack, Min Ho Kim, Matt Froese, Abby Bulmer; colors: Valentina Pinto, Gigi Dutreix, Reggie Graham, Min Ho Kim, Nathalie Fourdraine, Heather Breckel; letters: Shawn Lee | Amy Rose; Jet the Hawk; Storm the Albatross; Wave the Swallow; Blaze the Cat; Cheese; Cream the Rabbit; Cubot; Doctor Eggman [Ivo Robotnik]; Knuckles the Echidna; Metal Sonic; Tails [Miles Prower]; Orbot; Rouge the Bat; Shadow the Hedgehog; Sonic the Hedgehog |
| 10 | Sonic the Hedgehog's 900th Adventure Nathalie Fourdraine Variant Cover | cover reprint (on interior page) | 1 | pencils: Nathalie Fourdraine; inks: Nathalie Fourdraine; colors: Nathalie Fourdraine | |
| 11 | IDW Endless Summer - Sonic the Hedgehog #1 Cover | cover reprint (on interior page) | 1 | pencils: Tracy Yardley; inks: Tracy Yardley; colors: Tracy Yardley | |
| 12 | - | comic story | 22 | script: Gale Galligan; pencils: Tracy Yardley, Thomas Rothlisberger; inks: Tracy Yardley, Thomas Rothlisberger, Maria Keane; colors: Joana Lafuente; letters: Jeff Eckleberry | Jet the Hawk; Storm the Albatross; Wave the Swallow; Lanolin the Sheep; Duo the Cat; Jewel the Beetle; Tails [Miles Prower]; Sonic the Hedgehog; Tangle the Lemur; Whisper the Wolf |
| 13 | IDW Endless Summer - Sonic the Hedgehog #1 Natalie Haines Variant Cover | cover reprint (on interior page) | 1 | pencils: Natalie Haines; inks: Natalie Haines; colors: Natalie Haines | |
| 14 | Sonic the Hedgehog: Halloween Special Cover | cover reprint (on interior page) | 1 | pencils: Jack Lawrence; inks: Jack Lawrence; colors: Gigi Dutreix | |
| 15 | A Very Chaotix Halloween | comic story | 24 | script: Mark Bouchard; pencils: Jack Lawrence; inks: Matt Froese; colors: Gigi Dutreix; letters: Shawn Lee | Brady; Charmy Bee; Espio the Chameleon; Vector the Crocodile; Herschel; Tails [Miles Prower]; Noah; Rowdy; Sonic the Hedgehog |
| 16 | Sonic the Hedgehog: Halloween Special Nathalie Fourdraine Variant Cover | cover reprint (on interior page) | 1 | pencils: Nathalie Fourdraine; inks: Nathalie Fourdraine; colors: Nathalie Fourdraine | |
| 17 | Sonic the Hedgehog #67 Ryan Jampole Variant Cover | cover reprint (on interior page) | 1 | pencils: Ryan Jampole; inks: Ryan Jampole; colors: Ryan Jampole | |
| 18 | Sonic the Hedgehog #67 Sega Variant Cover | cover reprint (on interior page) | 1 | pencils: Sega; inks: Sega; colors: Sega | |
| 19 | Sonic the Hedgehog #68 Evan Stanley Variant Cover | cover reprint (on interior page) | 1 | pencils: Evan Stanley; inks: Evan Stanley; colors: Evan Stanley | |
| 20 | Sonic the Hedgehog's 900th Adventure Yuji Uekawa Variant Cover | cover reprint (on interior page) | 1 | pencils: Yuji Uekawa (credited); inks: Yuji Uekawa (credited); colors: Yuji Uekawa (credited); letters: typeset | |
| 21 | Sonic the Hedgehog's 900th Adventure Evan Stanley Variant Cover | cover reprint (on interior page) | 1 | pencils: Evan Stanley; inks: Evan Stanley; colors: Evan Stanley | |
| 22 | Sonic the Hedgehog's 900th Adventure Adam Bryce Thomas Variant Cover | cover reprint (on interior page) | 1 | pencils: Adam Bryce Thomas; inks: Adam Bryce Thomas; colors: Adam Bryce Thomas | |
| 23 | Sonic the Hedgehog's 900th Adventure Matt Herms Variant Cover | cover reprint (on interior page) | 1 | pencils: Matt Herms; inks: Matt Herms; colors: Matt Herms | |
| 24 | Sonic the Hedgehog's 900th Adventure Richard Elson Variant Cover | cover reprint (on interior page) | 1 | pencils: Richard Elson; inks: Richard Elson; colors: Richard Elson | |
| 25 | Sonic the Hedgehog's 900th Adventure Jonathan Gray Variant Cover | cover reprint (on interior page) | 1 | pencils: Jonathan Gray; inks: Jonathan Gray; colors: Reggie Graham | |
| 26 | IDW Endless Summer - Sonic the Hedgehog #1 Jack Lawrence Variant Cover | cover reprint (on interior page) | 1 | pencils: Jack Lawrence; inks: Jack Lawrence; colors: Reggie Graham | |
| 27 | Sonic the Hedgehog: Halloween Special Gigi Dutreix Variant Cover | cover reprint (on interior page) | 1 | pencils: Gigi Dutreix; inks: Gigi Dutreix; colors: Gigi Dutreix | |
| 28 | Sonic the Hedgehog: Halloween Special Aaron Hammerstrom Variant Cover | cover reprint (on interior page) | 1 | pencils: Aaron Hammerstrom; inks: Aaron Hammerstrom; colors: Aaron Hammerstrom | |
| 29 | Sonic the Hedgehog: Halloween Special Jamal Peppers Variant Cover | cover reprint (on interior page) | 1 | pencils: Jamal Peppers; inks: Jamal Peppers; colors: William Evans | |
| 30 | - | illustration | 1 | letters: typeset | |