The 3rd one is about the game of Nakahara vs Yonenaga played on April 26 & 27, 1979 as the 4th game of 37th Meijin-sen 4-win match. It is famous for Nakahara's S-5g as the 83rd move in the endagame. Here is the link.
The game is also available to watch at 棋譜でーたべーす(Kifu database). If you are interested, please click either of the links below for replaying it depending on your preference of the viewers.
Here is the playlist for "Famous Shogi Games".