Harry and Meghan are excited about their impending marriage but before their big day, they must take Charles (Harry Enfield) to America to meet Doria , Meghan's down-to-earth mum.
Back in the UK, Wills and Kate are struggling to cope with the added duties of having a third child, leading to a marital crisis.
And Pippa has a violent reaction to Harry’s looming marriage which brings out the worst side of her jealous nature.
The Windsors Royal Wedding Special airs May 2018 on Channel 4
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