Robert De Niro loses battle with revolving door on 'Jimmy Fallon' - Watch
Robert De Niro: Oscar-winning actor, director, the "Raging Bull" and ... revolving door novice?
Making a surprise appearance on "Late Night with Jimmy Fallon" on Thursday (Dec. 12), the estimable performer let the world in on his secret struggle. The man doesn't understand how a revolving door works. Like, at all.
One man can't do it all, it would seem.
Check out the hysterical video above.