the home box office (hbo) is an american cable television network. "hbo" show movies made for theaters as well as television. the also show many original television programs, including "the sopranos", "six feet under", "crashbox" and "big love". other popular series include geroge and martha "oz", "true blood", "carnivàle", "curb your enthusiasm", "game of thrones", "boardwalk empire, "the wire", "entourage", and "deadwood". hbo "is owned by warnermedia (formerly timewarner).