We have found the following answer for: Seen by a worldwide audience in 1970 black pentagons were added to these to help viewers follow them better on TV. This clue was last seen on Final Jeopardy September 29 2022 TV-Show. The solution we’ve got for the New York Times Clue of the Day has a total of 12 Letters. For older Final Jeopardy Questions and Answers I strongly recommend you to visit the archive page by clicking here.