Board Thread:General Discussion/@comment-22004851-20140531173213/@comment-22004851-20140531184152

I'm talking about the TV series as well.

There is a video where it shows Roger Craig Smith (Sonic Normal Sonic or Sonic Boom Sonic) talking about 'alternate reality Knuckles', referring to either Knuckles Normal Knuckles or Sonic Boom Knuckles, clearly linkjing the two worlds together.