Season 1

This is the first season of the Mushishi anime series. It contains 26 episodes that aired from October 23, 2005 to June 19, 2006. The first season experienced a brief hiatus in March after Episode 20, but resumed airing shortly after in May with the final six episodes.

An OVA titled Special Episode: Sun-eating Shadow (Tokubetsu-hen: Hi Hamu Kage) aired on January 4, 2014, after the final episode of the first season but before the second season, Mushishi Zoku Shou, aired.

The opening song for this season is The Sore Feet Song by Ally Kerr.