The man himself talks about the larger-than-life monarch and also introduces The Virtuous Prince, a new book that coincides with the Channel 4 series.
Hear David giving an insight into our fascination with Henry VIII, and his process for researching his new biography on this icon of British history.
'Henry comes to the throne as the Tudor Obama,' explains David. 'How does the thin, beautiful, elegant, musical, poetical, reasonable, charming, sweet-tempered man who marries for love... how does he turn into Henry who was the horror, Henry who was the tyrant?'