Season 6, Part 1 continues with Princess Diana's and explores the events surrounding her tragic death in 1997. Season 6, Part 2 sees Queen Elizabeth II reflect on her reign and look ahead to a time when her successors will take the throne.

Diana and Charles wage a media war. The monarchy's role is up for debate. Welcome to the '90s — and Queen Elizabeth II's biggest challenge to date.

As the 1970s are drawing to a close, Queen Elizabeth and her family find themselves preoccupied with safeguarding the line of succession by securing an appropriate bride for Prince Charles, who is still unmarried at 30.

As the 1960s and '70s unfold, the royal family contends with conflict and betrayal while striving to uphold tradition in the face of an evolving world.

As a new era begins, Queen Elizabeth struggles to navigate a world that's changing around her while preserving both the monarchy and her marriage.

As a young Elizabeth becomes Queen, she must manage major political issues and personal matters, which often clash in ways she never imagined.