Secrets of McDonald's: 50 Years of the Big Mac (2018) is a Documentary, History film that follows the documentary traced the fast food company's journey from Route 66 diner to planet-conquering giant. Secrets of McDonald's: 50 Years of the Big Mac is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.0 out of 10 from 1 votes. Fans of documentary movies may also want to explore similar titles below.