Currently available on 2 streaming services.

Streaming, rent, or buy American Chopper: Senior vs Junior – Season 4:

You are able to buy "American Chopper: Senior vs Junior - Season 4" on Fandango At Home as download.

Cast

Paul Teutul, Jr.
Self
Mike Rowe
Michael Teutul
Self
Vincent DiMartino
Self
Jason Pohl
Self
Paul Teutul, Sr.
Self