The episodes of the original net animation

Original Net Animation

An original net animation is an anime that is directly released onto the Internet. ONAs may also have been aired on television if they were first directly released on the Internet. The name mirrors original video animation, a term that has been used in the anime industry for straight-to-video...

 (ONA) The Melancholy of Haruhi-chan Suzumiya were produced by Kyoto Animation

Kyoto Animation

, abbreviated , is a Japanese animation studio located in Uji, Kyoto Prefecture, Japan. It was established in 1981, became a limited company in 1985 and then became a corporation in 1999. Presided by Hideaki Hatta, the company is affiliated with noted studio Sunrise and is also parent to the studio...

 and released on YouTube

YouTube

YouTube is a video-sharing website, created by three former PayPal employees in February 2005, on which users can upload, view and share videos....

 between February and May 2009. The episodes are based on a parody manga

Manga

Manga is the Japanese word for "comics" and consists of comics and print cartoons . In the West, the term "manga" has been appropriated to refer specifically to comics created in Japan, or by Japanese authors, in the Japanese language and conforming to the style developed in Japan in the late 19th...

 series of the same name based on the Haruhi Suzumiya

Haruhi Suzumiya

is the general name for a series of light novels written by Nagaru Tanigawa and illustrated by Noizi Ito which were subsequently adapted into other media. The story follows the title character Haruhi Suzumiya, a high school girl who can unconsciously change reality, and her strange antics with her...

series. The series does not fit into the normal continuity of the main series. During the first few episodes, the characters in the series were rendered using computer-generated imagery

Computer-generated imagery

Computer-generated imagery is the application of the field of computer graphics or, more specifically, 3D computer graphics to special effects in art, video games, films, television programs, commercials, simulators and simulation generally, and printed media...

. Soon afterward, the character animation returned to the standard two-dimensional animation style. Twenty-five episodes were created for the ONA series, with two episodes per week (episodes 1 and 2 were released on separate weeks), alongside an episode of another ONA, Nyoro~n Churuya-san, until the last, where an extra long episode was shown. The two series were released in Japan on DVD on May 29, 2009, with a Blu-ray released on August 17, 2010. The series was released in North America by Bandai Entertainment in 2011.

There are two pieces of theme music

Theme music

Theme music is a piece that is often written specifically for a radio program, television program, video game or movie, and usually played during the title sequence and/or end credits...

 used for the show. The opening theme song is while the ending theme is , both performed by Aya Hirano

Aya Hirano

from Nagoya, Aichi Prefecture, Japan, is a Japanese voice actress and J-pop singer who has had roles in several anime, visual novels, and TV commercials in Japan. She was contracted to Space Craft Produce, a branch of the Space Craft Group, for her voice acting career, and for her singing career,...

, Minori Chihara

Minori Chihara

is a Japanese voice actress who has had roles in several anime series, and a J-pop singer. As a seiyū, she works under the agency Avex Planning & Development, while in her musical career, she has been signed under King Records and is currently with Lantis...

, Yuko Goto

Yuko Goto

is a Japanese voice actress who works for Production Baobab. In direct contrast to her cute-and-vulnerable moé typecasting, Yūko in real life is a devotee of biker culture who dresses and acts as such when not working, right down to her motorcycle...

, Tomokazu Sugita

Tomokazu Sugita

is a Japanese voice actor employed by Atomic Monkey. Best known for his role as Gintoki in Gintama, he also voices Kyon in The Melancholy of Haruhi Suzumiya. He is also one of the three hosts on the radio show Bururaji promoting the videogame Blazblue which is produced and released on Nico Nico...

 and Daisuke Ono

Daisuke Ono

is a Japanese voice actor who works for Mausu Promotion. He was born in Kōchi Prefecture. He won the 4th Seiyū Awards for best voice actor for his role as Sebastian Michaelis in Kuroshitsuji.-Anime:2002*Full Metal Panic!...

. A single of the two songs was released on April 20, 2009.

Episodes

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! style="width: 15%;" | Original airdate
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