The Tudors - Season 1 Episode 4 -

As a reward for his denunciation of Martin Luther, the Pope christens Henry “Defender of the Faith,” but a brush with death causes the king to seek a solution to his lack of an heir. Princess Margaret marries the decrepit King of Portugal reluctantly, but the union is short-lived; Henry's desire for Anne Boleyn intensifies when Anne goes home to her family estate.