Titled Queen, the short is one of four episodes that make up Harry Hill's Lonely Island, a new, black-and-white, dialogue-free comedy series, which is being broadcast on BBC Two as part of the BBC's Festival Of Funny.
Written, directed, produced by and starring Hill, the four minute short sees his character going camping in full regal regalia.
A BBC spokesperson told British Comedy Guide this afternoon: "Schedules are always subject to change and we took the decision to postpone transmission while Prince Philip remains in hospital."
Episodes of the series were scheduled nightly this week, with the first - in which the TV Burp star plays a caveman - airing last night (Monday 8th March).
Queen was due to air tonight at 10:40pm, but has now been replaced by Napoleon, initially scheduled as the third episode in the run. The final episode - Monkey - has consequently also been moved a day ahead in schedules, from Thursday to Wednesday evening.
The Royal Family are currently the subject of news headlines, with an interview by US broadcaster Oprah Winfrey with Harry and Meghan, the Duke and Duchess of Sussex, making front pages worldwide. Meanwhile The Queen's husband, Prince Philip the Duke of Edinburgh, is entering his twenty-first night in hospital. The Duke, who will be 100 in June, had heart surgery at St Bartholomew's in London last Wednesday, for a "pre-existing complaint".
Queen is expected to be shown at a later date.
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