"Broadcast" theory is one of the common theories explaining how phenomena and ideas spread. It is used by researchers in different fields of study. Having studied broadcast theory and its different components, this article tries to represent whether Islamic revolution of Iran has exerted influence on Saudi Arabia. And if positive, how it has influenced and how much it has been.
The results suggest that Islamic revolution of Iran has exerted remarkable influence on Saudi Arabia especially Shiites in this country and that broadcast theory as a theoretical base of this study can properly show this influence.