Sonic the Hedgehog Volume 6: Planetary Pieces is the sixth volume in the Sonic the Hedgehog trade-paperback series published by Archie Comics. This volume contains reprints of stories from Sonic the Hedgehog #272, and Sonic the Hedgehog #276-#279. It was cancelled on 19 April 2017.
- "Planetary Pieces": Sonic and the Freedom Fighters race across their broken world to save it from the evil Dr. Eggman! Can they locate all of the sacred Gaia Temples in time? This volume collects Sonic the Hedgehog #272, 276-279.
- The cover for this volume is the same as the regular cover for Sonic the Hedgehog #278.
- This volume is named after Planetary Pieces: Sonic World Adventure Original Soundtrack, the official soundtrack for Sonic Unleashed.