Shounen Sunday CM: Denpa Kyoushi
Japanese title: 電波教師
Type: CM
Episodes: 2
Source: Manga
Genres: Comedy
Studios: A-1 Pictures
Duration: 1 min per ep
Rating: PG-13 - Teens 13 or older

Two short anime clips, produced by A-1 Pictures and serving as promotion for the manga.

(Source: Wikipedia)