Legendary music documentary The Beatles Anthology is getting a remaster from A-list producer Peter Jackson, which includes a new episode and the release of previously unheard audio from the band.

It’s a reissue of all of the components of “Anthology,” the band’s multimedia retrospective project of the late ’90s, with additional material added to both the music boxed set and the TV series.

The restored and remastered version of the docuseries will include its original eight episodes, as well as a newly completed ninth installment featuring behind-the-scenes footage taken of McCartney, ...