Several women have alleged that the TV presenter, who died last year, abused them as underage teenagers, the Radio Times reports.
© Lewis Whyld/PA Wire/Press Association Images
© James Curley/Rex Features
The women's interviews will feature in the programme, which is due to be broadcast on October 3 as part of ITV1's 'Exposure' documentary strand.
An ITV spokesman explained that the show was still being edited and refused to comment on reports that the alleged incidents - said to range from indecency to unlawful sex - involved girls as young as 13.
Former police detective and child protection expert Mark Williams-Thomas, who hosts On the Run, conducted the investigation.
Savile's friends and family have previously insisted that he wasn't a sexual predator.
The BBC had been investigating claims for Newsnight relating to the CPS/police investigation which it was unable to substantiate. The corporation told Digital Spy it did not go ahead with the broadcast for editorial reasons.
Jimmy Savile in pictures:
Copyright: flickr/BBC Pictures
