What is the highest-grossing R-rated movie of all time?

The answer is: Joker. 2019’s Joker made over a billion dollars at the worldwide box office, beating out even the juggernaut of Oppenheimer for the title of highest-grossing R-rated movie ever.Adjusted for inflation, The Exorcist would give Arthur Fleck a run for his money. And yes, any of these movies would have terrified me as a child. Except T2, that movie rules.Source