Halford was unable to perform at Black Sabbath's Back to the Beginning concert last month due to a previously scheduled show

The documentary titled "Coming Home," which emerged as a project following the deteriorating health of the music legend, was filmed to capture the last three years of his life.

The BBC said: "Our sympathies are with the Osbourne family at this difficult time. We are respecting the family's wishes to wait a bit longer before airing this very special film. The new [transmissi...