In a tribute to the late comedian Don Rickles, “American Masters” offers a never-seen-before video from “In Their Own Words: The American Masters Digital Archive.” To see interview outtakes from director Kyra Thompson’s American Masters, google “Bob Newhart: Unbuttoned,” outtakes, Don Rickles.

In these 2005 videos, Rickles jokes about Bob Newhart, PBS and Charlie Rose. Rickles also appeared in American Masters — “Johnny Carson: King of Late Night” (2012).