HBO broadcast the series pilot "The Stolen Eagle" four days later. In total, HBO spent about million US$ to promote Rome.According to the Nielsen ratings system, the pilot broadcast was seen by 3.8 million viewers and achieved a 9.1 household rating for Sunday primetime. HBO enlisted the Mozilla Firefox web browser in its marketing campaign for the series by designing a downloadable custom Rome Firefox theme.
RAI also stated to have co-produced the show, whereas HBO listed only itself and BBC as co-producers.
Audio commentary on the Season 1 DVD indicates that many of the background performers used in the series were also their true professional counterparts.