Each weeknight leading up to Prince Henry and Meghan Markle’s wedding, PBS presents a series of programs highlighting preparations in London that week, with highlights on royal wedding etiquette and protocol.

Day 3: Ceremony

Examine the ceremony and traditions at the heart of a royal wedding, which even a modern couple must follow. Experts, commentators and guests dissect the finer points of royal protocol, while Lucy Worsley surveys the history of royal marriages.