The Passing of the Third Floor Back is a 1918 British/American silent allegorical film based on the 1908 play The Passing of the Third Floor Back by Jerome K. Jerome and directed by Herbert Brenon.

Forbes-Robertson had been knighted by King George V in 1913 and had retired from acting in theatre that same year.

The young artist accepts an assignment of not the choicest line of work to secure funds to marry Vivian.

However, the arrival of The Stranger and his talk with each make them realize the selfishness and narrowness of their existence, and before long the boarding house is a happy and contented place.

For example, the Chicago Board of Censors cut, in Reel 2, the intertitle "What do you think I'm giving the earings for?