Episode 22
Summer Vacation – Chao Observation Diary (夏休み・チャオ～な観察日記, Natsuyasumi Chao~ na Kansatsu Nikki) is the 22nd episode of Sonic X.
It is available in Japanese, French, Korean, Mandarin, Cantonese and Thai.
Characteristics
Its conventional length is 24:35. It uses opening 1 and ending 2.
The eyecatch cards are E-66 Da-Dai-Oh and Chao.
It ends with a preview of episode 23.