When Black Mirror debuted on Channel 4 in the UK, it made quite a shocking impact. The first episode, "The National Anthem," remains one of the most memorable and highly disturbing episodes in TV history. The episode focuses on an unknown terrorist kidnapping Princess Susannah and forcing the British Prime Minister, Michael Callow, to rape a pig on live television.
Source：https://www.cbr.com/black-mirror-the-point-of-national-anthem/
