Mogura no Adventure [The oldest anime]

The oldest surviving Japanese television animation. Atarashii Douga Mitsu no Hanashi, a 1960 black-and-white work produced by NHK, was considered the oldest surviving Japanese television animation until this recent discovery. もぐらのアバンチュール - TV Special, 1 episode - Me quedé despierta en la madrugada para grabarlo.