Completed despite production problems, equipment malfunctions and budget adjustments, the movie proved an enduring, thrilling work of popular filmmaking that virtually invented the summer blockbuster as we know it.

As the iconic film turns 50, test your knowledge of "Jaws" with a deep-dive quiz crafted by Globe film critic Odie Henderson.

From a primetime special to screenings across the country, Steven Spielberg's 1975 classic is taking a victory lap this week.