Watch Online Free on Watchseries. For nine members of the Cash Family their untold story is showcased for the first time on screen and in song, as they courageously open up about their substance addiction battles in Long Road Home. This documentary features never before seen family interviews on the silent agony that so many individuals and families journey through daily...a path also shared between close friends Johnny Cash and Carl Perkins as told by Carl’s son, Stan Perkins.