Anniversaries/April 28
From Sonic Retro
April 28 (add)
- 1995 — Tails' Skypatrol is released for the Sega Game Gear in Japan.
- 2009 — Sonic Dash Quiz is released for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2010 — Issue #212 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2020 — "Kessen! Dāku Ōku", the 76th episode of Sonic X, airs in Japan.
- 2022 — Season six of the Sonic Official livestream premiers on the official Sonic the Hedgehog YouTube channel.