What was the highest-grossing movie from the 1970s?

The '70s brought about a new golden age of film. Just pull up a list of popular '70s movies, close your eyes, randomly point and you'll probably land on an all-time classic that's still influencing filmmakers today.

It's the decade that brought us summer blockbusters, revolutionary sci-fi, the modern mobster movie, screwball comedies with enduring appeal, and the soundtrack to Saturday Night Fever.

And box office numbers started going nuts as the movie industry grew into a global force. But even with an embarrassment of movie riches, only one stood atop the cinematic mountain when it was all said and done.

Which movie from the 1970s made the most money at the box office?

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