The once-rumored release of Sonic CD on XBLA can now be confirmed, thanks to a trailer from Sega. Starting like a trailer for Sonic 4, Sonic goes back to the past to re-live his Sega-CD adventure from his side-scrolling heyday. It looks like the graphics and gameplay will remain true to its original release, just like the previous Sonic XBLA ports. According to the trailer, we’ll see the game released holiday 2011.