Randee Dawn When “Extra” interviewed Harrison Ford at his “Indiana Jones and the Dial of Destiny” premiere in June, the show was proceeding as usual: The actor, the reporter, the branded microphone, the cameras. Then suddenly everything changed — “Everything Everywhere All at Once” Oscar-winner Ke Huy Quan bounded into the frame and reunited with his co-star from 1984’s “Temple of Doom.” The moment went viral, and “Extra” had another feather in its cap. Once in a lifetime get? Not if you’re “Extra.” For the past 30 years, the syndicated entertainment news show has made its business chronicling every cultural event.