5 highest-grossing R-rated movies of all time

All movies go through a rating process before they are released to the public, to make it easy to discern which movies are intended for which audience age.

The Hangover Part II' Smashes Box Office Record: Biggest Five-Day R-Rated Opening Ever – The Hollywood Reporter

Top 10 highest-grossing R-rated movies of all time - Dexerto

The 10 Highest Grossing Movie Franchise of All Time - IGN

List of highest-grossing R-rated films - Wikipedia

Highest-Grossing R-Rated Movies: R Movies That Made The Most Money - The Delite

These Are The Highest-Grossing R-Rated Movies Of All Time

The Highest Grossing R-Rated Movies of All Time

What are the most successful 18-rated films in the UK?, Features

The Flash' Is Now Worst Box Office Flop in Superhero Film History

Oppenheimer box office: Christopher Nolan's film becomes 4th highest-grossing movie in 2023. Details here - The Economic Times

Smoking in the Movies