The Shark Barely Worked, The Budget Exploded, And Somehow Jaws Still Invented The Summer Blockbuster

Meet Bruce: The Shark That Refused To Cooperate, Ever

Three full-size animatronic sharks were built for the shoot and all three were nicknamed Bruce, after Spielberg's own lawyer. They'd only been tested in freshwater, so the second they hit the salty Atlantic off Martha's Vineyard, their pneumatic systems corroded and they started sinking, seizing up, and generally refusing to perform on cue.

A 55-Day Shoot Turned Into A 159-Day Nightmare

Jaws was supposed to be a relatively quick, cheap production, but shooting on the open ocean off Martha's Vineyard turned into chaos: boats sank, pleasure cruisers drifted into shots, and everyone got seasick. By the time it wrapped, the budget had nearly tripled to around $9 million and the shoot had stretched from a planned 55 days to a brutal 159.

Spielberg Genuinely Thought He Was Getting Fired

At just 26 years old with only one prior feature to his name, Spielberg spent the shoot bracing to be pulled off the film. He later called the experience "my Vietnam," and co-writer Carl Gottlieb remembered his nerves showing in exactly one place: his fingernails, bitten down to the stubs.

The Broken Shark Forced Spielberg Into His Best Idea Yet

Because Bruce so rarely worked, Spielberg had no choice but to shoot around him, hiding the shark for most of the movie and letting suggestion do the terrifying. He leaned instead on John Williams' now-legendary two-note theme, a score so simple Spielberg initially laughed and thought Williams was joking when he first played it on piano.

Universal Basically Invented A New Way To Release Movies Just To Survive This Thing

Instead of the usual slow city-by-city rollout studios used for prestige pictures, Universal opened Jaws simultaneously in roughly 409-464 theaters nationwide, backed by a then-unprecedented national TV ad blitz. It worked almost too well — the film became the first to cross $100 million domestically and effectively created the modern summer blockbuster release model that Star Wars would cement two years later.

The Disaster Movie Became A Billion-Dollar Miracle

Spielberg later estimated that all of Bruce's mechanical delays and the resulting suspense-driven approach actually added tens of millions to the film's box office rather than costing it. Jaws went on to gross over $260 million domestically in 1975 — worth roughly $1.5 billion adjusted for inflation — proving that the most chaotic shoot in Hollywood memory somehow became one of its biggest triumphs.