"The Battle of Britain," Chapter IV of Frank Capra's "Why We Fight" series, begins after Hitler's conquest of Western Europe. Once firmly in control of the parts of France and Norway closest to Great Britain, the Nazis commence their massive air assault on the British isles. Outnumbered six to one, the fighters of the Royal Air Force defend their skies against the Luftwaffe for close to four months. Capra embellishes the British successes, for example the film claims the RAF fought 200 dogfights in the first thirty minutes of the battle alone, and that by the end of the first month they had de
You can stream Why We Fight - Battle of Britain free and legally on OldReel, via the Internet Archive.
Yes — it is in the public domain and can be watched and shared freely.