12. THE ROCK THAT BROKE THE WINDOW OF THE GRANVILLE HOUSE WAS ALL REAL.

Though Capra had a stuntman at the ready in order to shoot out the window of the Granville House in a scene that required Donna Reed to throw a rock through it, it was all a waste of money. “Mom threw the rock herself that broke the window in the Granville House,” Owen says. “On the first try.”