The narrator reminds the audience that these people are part of the greatest civilian army the world has ever known, and are going to join their respective service before London's "nightly visitor" arrives.

Via an agreement with Warner Bros., the film was widely distributed in the United States of America by the British Ministry of Information with the intention of turning public opinion into favouring the USA declaring war on Germany.

[3][2] Variety wrote: "Variety's rule of not reviewing shorts is abrogated in this case in deference to the job done by the British Ministry of Information, Quentin Reynolds and Warner Bros. English propaganda service did its bit in conceiving the idea of London Can Take It; Reynolds did his – and more – by making it both impressive and presentable to the American public via his excellently written and spoken commentary, and Warner Bros did theirs by releasing it to theatres throughout the country as rapidly as prints could be turned out.

It is a matter-of-fact recording of the way the people and city of London are reacting to Hitler's nightly bombing and firing on children, hospitals and churches under cover of darkness in hope of terrorizing them and destroying public morale.

"[5] Boxoffice wrote: "In terms of brooding and tragic photography, immeasurably aided and heightened by the factual, yet stirring, commentary of Quentin Reynolds, war correspondent for Collier's, London Can Take It might be described as a saga of a modern city under brutal and unrelenting attack from the air.