The episode first aired in Japan on September 1, 2004.

In a powerful display of support, Guy challenges Kakashi to a game of rock-paper-scissors to lift spirits. After losing, he runs 500 laps around Konoha as a "self-imposed rule," inspiring Lee to join him. Guy famously promises Lee that if the surgery fails and Lee dies, he will die right alongside him. The "Nindo" of Hard Work

Unlike the episodes immediately following it (Episodes 101–106), Episode 100 is canon and based directly on the manga.