The Fourth of July weekend is when Hollywood swings hardest — a captive, holiday audience, long days off, and a national appetite for spectacle. Over the decades, a few movies have made the most of it.

The template: 'Independence Day'

The modern July 4 blockbuster owes its shape to the movie that shares the holiday's name. When Roland Emmerich's "Independence Day" arrived in the first days of July 1996, its alien-invasion mayhem — and the literal destruction of the White House — drew enormous crowds, and its release, timed to the holiday, helped make it the year's biggest film. It proved a lesson studios never forgot: build a spectacle, park it on the Fourth, and let the calendar do some of the marketing.

Giant robots and a single-day record

The most muscular Independence Day debut belongs to Michael Bay's "Transformers," which opened over the 2007 holiday and, by The Hollywood Reporter's accounting, posted one of the largest single-day Fourth of July grosses on record, part of a blockbuster opening week. Its mix of nostalgia, effects and holiday timing became a blueprint Bay and others would run back repeatedly.

Spider-Man's holiday

No franchise has claimed the Fourth quite like Spider-Man. "Spider-Man 2" opened around the 2004 holiday to one of the era's biggest launches, and years later "Spider-Man: Far From Home" used the July 4 corridor for a huge multiday debut of its own. The web-slinger has become something of a fixture of the holiday weekend — proof that the date works not just for war-of-the-worlds spectacle but for superheroes too.

Why the day itself matters

Beyond any single film, the Fourth reliably supercharges moviegoing. The holiday stretches the weekend, families look for something to do, and studios load the calendar accordingly — which is why the best Independence Day frames have produced some of the busiest box-office days of their years. The formula is not complicated: a big premise, familiar faces, and an audience already in a celebratory mood.

And this year

The tradition continues each summer, with studios still angling to own the holiday. Whatever tops the charts this Fourth, it will be following a well-worn playbook — the one that turned a day about fireworks into one of Hollywood's favorite launch pads. For a night in, it also makes for a fitting double feature: light the grill, watch something loud, and let the movies do what they were built for.