You can't. Metal Sonic first appeared on Sonic CD, which came out after Sonic the Hedgehog.If you are talking about the Sonic 06 game, you can't unlock him there, either. The only came he can be unlocked on is Sonic Adventure DX: Director's Cut.
Sadly no
no he is not. he is only in sonic the hedghog 2006
sonic the hedgehog 2006
Yuji Naka
no
omg YEAH!
no
June 23rd.
No he wasn't
Yes.
yes it is called sonic x(Sonic X is not a movie, it is a TV series.)There was one that came out back in 1999 called Sonic the Hedgehog: The Movie, and it is often referred to as "Sonic OVA."