There has been talk about this for a while and the ahve finally done it.
For the little time to install a plugin from the fox site you will be able to watch (from a stream) The OC Season 4 Premiere a week early (26th October).

The show will be aired on Local Fox TV websites and MySpace.

Click here to see news post.

Click here for a Local Fox site. [MyFoxNew York]
Click here for a Local Fox site. [MyFoxLosAngeles]
Click here for a Local Fox site. [MyFoxTampaBay]
Click here for a Local Fox site. [MyFoxBirmingham]
Click here for a Local Fox site. [MyWashingtonDC]
Click here for a Local Fox site. [MyFoxDallas]
Click here for a Local Fox site. [MyFoxOrlando]
Click here for a Local Fox site. [MyFoxWGHP]
Click here for a Local Fox site. [MyFoxDetroit]
Click here for a Local Fox site. [MyFoxHouston]
Click here for a Local Fox site. [MyFoxAtlanta]
Click here for a Local Fox site. [MyFoxBoston]
Click here for a Local Fox site. [MyFoxKansas]

The service is offered by Fox on Demand which currently shows Prison Break, Justice and Bones. It is a free service that is ad supported.