The BBC has asked Donald Trump to hand over his diary and phone logs around the January 6 Capitol riots amid the $10billion lawsuit.
Lawyers for the BBC have requested the US President disclose a series of documents including his telephone logs, calendars and personal schedules spanning from November 3 2020 to January 20 2021.
The lawsuit, brought by Mr Trump and seeking $10billion (around £7.5billion) in damages, was launched after it was alleged BBC Panorama had spliced the Potus's speech on January 6, 2021.
In November last year the Telegraph uncovered Panorama had allegedly spliced together separate sections of Mr Trump's speech on the day of the Capitol riots.
The editing of the speech was done so in a manner which wrongly implied Mr Trump had told supporters to "fight like hell" and storm the Capitol building in Washington DC.
President Trump said at the time: "But I said something's wrong here, something is really wrong, can have happened.
"And we fight. We fight like hell. And if you don't fight like hell, you're not going to have a country anymore.
"Our exciting adventures and boldest endeavors have not yet begun. My fellow Americans, for our movement, for our children, and for our beloved country.
Mr Trump gave a speech to protesters on January 6, 2021 which has been centre of the scandal
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"And I say this despite all that's happened. The best is yet to come.
"So we're going to, we're going to walk down Pennsylvania Avenue. I love Pennsylvania Avenue. And we're going to the Capitol, and we're going to try and give."
However, the BBC edit showed Mr Trump to say: "We're going to walk down to the Capitol and I'll be there with you, and we fight. We fight like hell."
The licence-fee funded broadcaster apologised to the US President, however, he pursued legal proceedings, with the lawsuit due to go to trial in February next year.
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The BBC's former Director-General Tim Davie stepped down from the broadcaster in April
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On top of diary and phone records, the BBC's lawyers are also asking Mr Trump's team to identify all individuals with whom the President had communicated with regarding the Stop the Steal rally.
This includes the planning of the event, the speech itself and any discussions that took place in its aftermath.
On January 6, the rally, which was protesting Mr Trump's electoral defeat to Joe Biden the prior November, turned violent and culminated in five people dying and many injured, including 174 police officers.
Alejandro Brito, a lawyer on Mr Trump's legal team, said in documents filed in the Southern District of Florida: "Defendants are attempting to use this action as a vehicle to conduct a trial as to the events that occurred on January 6.
"Defendants' attempts to defend themselves do not entitle them to carte-blanche discovery."
The request for Mr Trump's personal records is expected to be refused.
Earlier this month, the President's lawyers rejected a separate BBC request for financial records, which the broadcaster had sought in order to assess the financial impact of the alleged editorial error.
Mr Trump has said he feels an "obligation" to see the lawsuit through, with the case now set for trial in Florida in February 2027.
BBC Director-General Tim Davie and Head of News Deborah Turness both stepped down in the wake of the scandal.
Mr Davie subsequently blamed "enemies" of the BBC for stoking the controversy surrounding the corporation, but declared the broadcaster "the very best of society".
The Southern District of Florida court, where the case is being heard, is considered favourable territory for the President, whose legal team filed the suit there.
A ruling on the document requests is expected in the coming weeks, ahead of the scheduled February 2027 trial date.