It's Christmas Eve with The Windsors and it's an even tenser affair than usual following the events that led Wills to usurp Prince Charles as next in line to the throne.

Harry and Meghan are excited about their impending marriage, but before their big day, they must take Charles to America to meet Meghan's mum Doria.

The Windsors get ready to welcome a new monarch, and Charles is gagging to put his special metal hat on. But Wills thinks he should cut back on the spending...