A character mentions visiting a Parisian brothel.

Two characters have a love affair, and there is some discussion about it though nothing is ever shown. One scene has frank discussion about it.

News about Nazi-fueled atrocities is broken, but no gruesome images are shown.

There are about 12 uses of "fuck". This all happens in one scene where Colin Firth is raging in his therapists office, and he says fuck exactly 12 times. This is followed by another series of profanities, all in therapeutic context.

About 12 uses of f*ck

A total of 16 uses of the F word, 12 in one scene and 4 in another.

Uses of "fuck" and "shit"

Anatomical and scatological terms (willies, balls, tits)

Men drink casually. There is no immoderate alcohol drinking. Immoderate. Wow.

Some characters, including the main character, smoke. The main character is seen smoking at least 10 times.

The atmosphere is light and pleasant, even if the prince's initial speech is painful to watch at seeing him so publicly embarrassed. There are also other difficult moments, but nothing disturbing or shocking.

The King's Speech relates to speech for war

King George V is shown dead in his bed.

Many war themes.