In the third episode of "The Crown," titled "Mou Mou," viewers learn about the life of Mohamed Al-Fayed, whose son Dodi would eventually become Diana's lover. Dodi was also killed in the fatal 1997 car crash that ended Diana's life.
At the end of the episode, Mohamed meets Diana for the first time at a horse-racing event, after he's become the owner of Harrods department store. He wanted to sit next to the queen, but he is immediately charmed by the princess and introduces her to his son.