Netflix has defended The Crown as a "fictional dramatisation" amid criticism of its coming fifth series.
Sir John Major is said to have described some scenes, which reportedly depict King Charles III, then the Prince of Wales, plotting to oust Queen Elizabeth II, as "malicious nonsense".
The new series, which will be released on November 9, is expected to show Charles cutting short a holiday with Diana, Princess of Wales, to host a secret meeting with former prime minister Sir John at Highgrove House in 1991.
For the forthcoming series of the lavish royal drama, which features recast roles, Dominic West stars as Charles, while Elizabeth Debicki plays Diana and Imelda Staunton, the queen.
A spokeswoman for The Crown said: "The Crown has always been presented as a drama based on historical events.
"Series five is a fictional dramatisation, imagining what could have happened behind closed doors during a significant decade for the royal family — one that has already been scrutinised and well-documented by journalists, biographers and historians."
A representative for Sir John, played by Jonny Lee Miller in the series, previously told The Times that if the scenes are broadcast "they should be seen as nothing other than damaging and malicious fiction".
Netflix also said the sixth and final series of The Crown will not depict the Paris car crash that killed Diana in August 1997, contrary to media reports.
The PA news agency understands the series will show the lead-up to the fatal incident as well as its aftermath, but not the crash itself.
The fourth series of the lavish Netflix drama also attracted criticism for allegedly not doing enough to ensure viewers knew it was a work of fiction.
Oliver Dowden, the then Culture Secretary, asked Netflix to add a disclaimer to episodes, a request the company rejected.
Although there is no disclaimer on the individual episodes, when viewers tune in, the show is labelled with a "log line" as a fictional drama based on historical events.
The Crown was due to end after the fifth season, but the show's creator and writer, Peter Morgan, later said it would be extended to include a sixth season.
Filming on the latest series of The Crown was halted as a mark of respect after the queen's death. Filming was also suspended on the day of her funeral.
It was previously revealed that season five of the show would delve into Diana's now infamous Panorama interview with journalist Martin Bashir.
Stars of 'The Crown' from season one to five — in pictures
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Dominic West as Prince Charles, now King Charles III. The drama series about Queen Elizabeth II and her extended family will begin its fifth season on November 9. All photos: Netflix -
Elizabeth Debicki as Princess Diana. -
Imelda Staunton as the queen. She becomes the latest in a succession of actors who have played Elizabeth through the decades of her life and reign. -
Olivia Colman and Tobias Menzies as the queen and Prince Philip. The show has won 22 Emmy Awards, including a Best Drama Series trophy and top drama actress honours for Colman. -
Claire Foy and Matt Smith as the queen and Prince Philip in series one of 'The Crown'. -
Olivia Colman as the queen in series three of 'The Crown'. -
Claire Foy as the queen from series one of 'The Crown'. Foy won two Emmys for her portrayal. -
Tobias Menzies as Prince Philip in series three. -
Matt Smith as Prince Philip from series one. -
Helena Bonham Carter as Princess Margaret in series three. -
Vanessa Kirby as Princess Margaret from series one. -
Helena Bonham Carter and Ben Daniels as Princess Margaret and Antony Armstrong-Jones. -
Matthew Goode and Vanessa Kirby as Antony Armstrong-Jones and Princess Margaret from series two of 'The Crown'.
