Bitter Rivals: Iran and Saudi Arabia Part 1 (Frontline, 2018)

FRONTLINE tells the epic, inside story of how this dangerous feud has plunged the Middle East into unprecedented levels of violence - with exclusive, on-the-ground reporting from inside both countries as well as Yemen, Iraq, Pakistan, Syria, and Lebanon.

Part 1 of 2. An examination of the dangerous rivalry between Iran and Saudi Arabia, which has plunged the Middle East into sectarian war. Included: the roles religion and power politics play in the perpetual conflict.