A documentary about Prince Philip's ties to Adolf Hitler is set to cause another headache for the royal family.
The Channel 4 documentary is set to reopen a period in the Duke's life when three out of four his sisters met and married German aristocrats who became future leaders in the Nazi regime.
Dan Wootton, The Sun's head of showbiz in London, joined Paul Henry this morning to discuss what audience can expect to watch in Prince Philip: The Plot To Make A King.
Watch the video for the full interview.