Anniversaries/April 23
From Sonic Retro
April 23 (add)
- 2008 — Issue #32 of the Sonic X comic series is released in North America.
- 2014 — Issue #259 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2019 — Sonic X episodes are uploaded to YouTube for free from TMS Entertainment in Japan.
- 2020 — "Asantsu-sha Shadō!", the 73rd episode of Sonic X, airs in Japan.