Jamali takes a trip to the Holy Land to meet the Lehava, the anti-assimilation group trying to prevent Arabs and Jews from marrying.

Jamali travels to Harlem, where he meets black separatists who believe they are descendants of the Twelve Tribes of Israel.

Ukraine is the only country in Europe fighting a war on its own soil. Jamali meets with Azov, a far-right militant group that has gained legitimacy despite its neo-Nazi roots.

In the series premiere, Jamali meets members of the Nationalist Socialist Movement, the largest neo-Nazi group in the U.S.

Jamali comes home to Britain to confront its most deep-rooted fears about the future of the country and Britain's acceptance of multiculturalism and racism in the shadow of Brexit.