Quick Summary
The French Ambassador and his wife are invited to dine at the elegant Eaton Place. However, Hudson falls ill on the night before the dinner party, threatening the event. The tale is presented as a period drama starring Gordon Jackson.
About This Program ✦
The Understudy is a television programme presented as a single episode of a period drama. It falls within the genre of historical storytelling and centres on the domestic world of Eaton Place, a setting familiar to fans of classic British series. The storyline follows the French Ambassador and his wife, who receive an invitation to join a dinner at Eaton Place. Their anticipated visit is thrown into uncertainty when Hudson, the household’s trusted steward, becomes unwell on the evening preceding the gathering. This sudden illness threatens to disrupt the carefully arranged evening and the preparations made for the distinguished guests. The narrative highlights the interplay between diplomatic courtesy and the everyday responsibilities of the household staff. It underscores how a single unforeseen event, such as Hudson’s sickness, can ripple through the plans of both the aristocratic visitors and the servants who strive to maintain decorum. Set against the backdrop of a bygone era, the episode captures the tension between formal hospitality and the practical challenges that arise behind the scenes. The focus remains on the impending dinner, the ambassadorial couple’s arrival, and the impact of Hudson’s condition on the evening’s execution.
Upstairs, Downstairs broadcasts on That's TV (MCR) at 8:35am, Tuesday, 10 February 2026.


