The most in-love couple in royal history move into the castle – Queen Victoria and her husband Prince Albert. After honeymooning at Windsor they fall in love with the place, almost as much as with one another and decide to make it their family home. As the man of the house, obsessed with all things new, Albert drags the castle into the 19th century, including updating it with a modern sewer system and 139 flushable toilets.Xand Van Tulleken tries out the Victorian facial fashion fad that had the queen all a flutter at Windsor, while JJ Chalmers reveals the surprising castle tradition that spread across the world.But Victoria and Albert's relationship comes to a tragic end at Windsor when the Queen's husband dies aged just 42. As Victoria plunges into deep mourning, living as a near recluse at the castle, she is nicknamed the Widow of Windsor. And it seemed nothing could pull the Queen out of her sorrow… or could it? Raksha Dave finds out.