Mr. Bilton, a tech journalist and filmmaker, said he would bring new voices to the show. The overhaul by Bari Weiss, CBS’s editor in chief, included the firing of the correspondent Cecilia Vega.

Pictures and striking scenes from the making of perhaps the world’s most celebrated naturalist.

In January, 50 artists from all over the world were chosen to shoot shorts in the Azores, guided by the iconic filmmaker. They just had to find $10,000 and airfare to get there.

Jeffrey Epstein joined Mr. Cavett’s wife in an effort to create a PBS documentary on the talk-show legend. But then the producers did a background check on the financier.

The Beatles’ beloved collaborator died at 59 in 2006. A new documentary, “That’s the Way God Planned It,” explores what he long kept hidden.