back to the future -- part 4???

rumor has it that michael j. fox is talking about making a follow up to one of the mainstays of the 80's -- only this time he'd play doc. time to finally watch bttf3, everyone.

The former Spin City star wants to take over Christopher Lloyd's eccentric scientist character, Doc, in the sequel. He tells movie website Moviehole.net, "The only way it would work would be if I played Doc. I'm 44-years-old now and I'm not interested in running around on skateboards!"