If you are a fan of cool animation and if you have a short attention span, then you should definitely check out NHK Japan’s Ani-Kuri series of one-minute animated shorts, currently being streamed for free online. The third season, accessed by clicking the “Third Season” cube (helpfully labeled in English!) on the main page, is by far and away the best batch yet. It includes submissions by the likes of Shoji Kawamori, Satoshi Kon, Mahiro Maeda, Michael Arias, and Makoto Shinkai.
No Japanese language ability is required to enjoy these shorts, even if Maeda’s entry is heavy on the punny wordplay. But don’t worry. The ninjas and robots are entertaining enough, even without understanding what they’re saying.
Edited to add: Most of the shorts are now available on Youtube, too. Here are some of the best:
Atsushi Takeuchi
Makoto Shinkai
Shoji Kawamori
Shojiro Nishimi
Kazuto Nakazawa
Mahiro Maeda