Elizabeth: Our Queen S01E11 - Crown in Crisis

Through the 70s and 80s, Elizabeth was thrilled to see her sons married, but also faced a strained relationship with her first female prime minister, Margaret Thatcher. In the 1990s, Elizabeth faced the most challenging decade of her reign, including the famous 'annus horribilis', during which three of her children's marriages failed, and fire destroyed much of Windsor Castle.