Teinenpi Shoujo Heidi
Genres: Comedy
Type: ONA, Episodes: 8
Aired: May 2009 to Jul 2010
Studio: Studio Crocodile
Source: Book
Rating: G - All Ages
Synopsis:
Commercial web animation made for Nissan Note. Despite being a commercial, the content is highly independent, starting with a little girl keep asking everyone what is "Teinenpi", a kanji word meaning low fuel cost. 

It features a parody of the classic anime "Heidi" in 1974 but directed by Mr. Fumihara Satoshi, the director of the gag anime "The World of Golden Eggs".

It also features Mr. Koumoto Junichi playing multiple roles including: Heidi's Grandpa, Peter, Kurara and the sheep!

(Source: news.searchina.ne.jp)