Steven Spielberg once thought he was having a heart attack after suffering a ‘full-blown panic attack’ while filming Jaws. The 78-year-old has been behind huge hits over his decades-long career, but shared that his efforts behind the camera for the 1975 shark thriller – which was released 50 years ago today – was among his toughest projects.

In NatGeo's documentary 'Jaws @ 50,' Spielberg recalls having a panic attack after he wrapped filming on 'Jaws' — which premiered on June 20, 1975 For Steven Spielberg, making Jaws had a profound impact on his mental health.