User blog comment:Operationgamer17/Former SEGA Europe community manager speaks of Sonic canon/@comment-679780-20150820043442/@comment-24014422-20150820094940

In Sonic Heroes' game files and some quotes during Metal Overlord, There are proves that Knuckles and Tails are in their Super State, but I don't know why we don't take action on this If it is even mentioned in gameplay.