Little Chao Lost

From Sonic Retro

SonicX 22 JP TitleCard.jpg
Sonic X episode #22
"Little Chao Lost"
Written by:
Directed by: Masafumi Sato
Production no.: 022
Original airdate:
Country: Japan
Fast Friends | Emerald Anniversary

Little Chao Lost, known as Natsuyasumi Chao: Na Kansatsu Nikki (夏休み・チャオ〜な観察日記) in Japan, is the 22nd episode in the first season of Sonic X.


Chris, Tails, Amy, Cream, Cheese, Danny, Frances, and Mr. Tanaka are spending their summer vacation on a camping trip to Tanaka's homeland, accompanied by Mr. Stewart. Sonic, meanwhile, takes a faster-paced tour around the countryside, dodging admirers, sampling the local cuisines, and buying a bag full of souvenirs.

While Chris and his companions are absorbed with watching the wildlife, Cheese floats away on a treacherous river. They resolve to go find him, leaving Amy and Tanaka to watch the camp. Meanwhile, Dr. Eggman is trying to enjoy a vacation nearby, and failing miserably due to the muggy weather and mosquitoes. Eggman sees Chris and his friends searching for something, and mistakenly thinks that they are trying to find a Chaos Emerald.

Chris and his friends follow the river through a crevice in the rock, and discover a secret Chao Garden on the other side of it. Cheese is there, along with many wild Chao. Tails notes that Chao can only live in places with clean water.

Meanwhile, Eggman has had enough of roughing it, and summons his robot Dai-da-oh/E-66 from the ocean. Eggman attacks the children as they return from the Chao Garden, thinking that they have a Chaos Emerald, but the robot slips on the riverbank and crashes. The resulting landslide muddies the water upstream of the chao garden, and Chris and his friends head back to the garden to clean the mud out of the water--a task that proves long and tedious.

As Sonic returns from his sightseeing, he encounters Eggman and destroys the robot, then makes his way to the Chao Garden and creates a whirlpool that clears the water. The wild Chao return happily to the lake, and as the cast relaxes around their campfire, Chris that Tanaka already knew about the Garden from his childhood in the mountains.

Localised names

Also known as
Language Localised Name English Translation
English Little Chao Lost Little Chao Lost
Japanese 夏休み・チャオ〜な観察日記 Natsuyasumi Chao: Na Kansatsu Nikki
Portuguese O Pequeno Chao Perdido Little Chao Lost

Eyecatch cards

Production credits


Sonic X Season 1, Episodes 1-26
Sonic X logo
Chaos Control Freaks | Sonic to the Rescue | Missile Wrist Rampage | Chaos Emerald Chaos | Cracking Knuckles | Techno Teacher | Party Hardly | Satellite Swindle | The Last Resort | Unfair Ball | Fly Spy | Beating Eggman, Part 1 | Beating Eggman, Part 2 | That's What Friends Are For | Skirmish in the Sky | Depths of Danger | The Adventures of Knuckles and Hawk | The Dam Scam | Sonic's Scream Test | Cruise Blues | Fast Friends | Little Chao Lost | Emerald Anniversary | How to Catch a Hedgehog | A Dastardly Deed | Countdown to Chaos