I went to a McDonalds once and they had run out of beef. I got photographic proof of it, too:
Don't despair, though! A Big Mac with no beef is available
year round! But that night, they ran out of beef and it was the only member of the Big Mac family available.
While looking for that photo, I found this one from a couple months later:
Their dark roast is fucking disgusting btw, it's sour. Why is it sour????