The Event from One Year Before

The Event from One Year Before is the twenty-third episode of Clannad ~After Story~. Like, it is an extra episode. It was first broadcast in Japan on March 19, 2009.

Plot
One year before the events of the beginning of the story, Tomoya is beginning his second year, and Nagisa her first time as a third-year student. Nagisa is having trouble making friends as usual, while Tomoya and Youhei are busy being delinquents and carrying out pranks at Kyou's, and inadvertently Nagisa's, expense. After Nagisa is knocked out by a falling metal pan that Tomoya and Youhei had set up as a prank for first-year students, a classmate of Nagisa's finally finds the chance to talk with her and they become friends. Nagisa keeps the banner from the prank (with a message to instill confidence written by Tomoya) because she feels it attributed to her making a new friend. The message saying, "Don't give in to the hardships ahead of you".

Major events

 * Nagisa and Tomoya meet for the first time.
 * Youhei and Tomoya meet Kyou for the first time.

Appearances

 * Tomoya Okazaki
 * Youhei Sunohara
 * Kyou Fujibayashi
 * Ryou Fujibayashi
 * Nagisa Furukawa
 * Akio Furukawa
 * Sanae Furukawa
 * Kimura
 * Kotomi Ichinose (cameo)
 * Rie Nishina (cameo)
 * Sugisaka (cameo)
 * Harada (cameo)
 * Yukine Miyazawa (cameo)

Trivia

 * Akio's joke about Mother of Ultra is a reference to the Ultra Series.
 * Nagisa's new friend describes Tomoya and Youhei's prank as similar to The Drifters, a Japanese rock and roll band and comedy group who often perform routines with falling metal tubs.
 * This episode is the only one that's not based on the events depicted in the visual novel. It is based on the first and third episode in the Side Stories of the visual novel. Additional information about Side Stories can be found here.