"Episode 4" (Series finale)
Debut date: MONDAY, NOV. 11 (10:00-11:00 p.m. ET/PT)
Pressure from foreign powers leads to a bitter argument between Catherine (Helen Mirren) and an ailing Potemkin (Jason Clarke). Catherine works to change the line of succession as her reign draws to an end.
Written by Nigel Williams; directed by Philip Martin.