Currently available on 2 streaming services.

The Beatles: A Celebration - watch online: streaming, buy or rent

You can buy "The Beatles: A Celebration" on Apple TV, Amazon Video as download or rent it on Amazon Video, Apple TV online.

Cast

John Lennon
Self (archive footage)
Paul McCartney
Self (archive footage)
George Harrison
Self (archive footage)
Ringo Starr
Self (archive footage)