第 1 季 共 26 集
播出时间：2007年5月13日
第 1 集 The Children with Glasses
播出时间：2007年5月13日
When Yasako and Kyoko's virtual pet dog, Densuke, goes missing, Yasako procures the assistance of a detective.
第 2 集 COIL Cyber Detective Agency
播出时间：2007年5月20日
Yasako and Fumie ask Yasako's grandmother to cure Densuke of his potentially fatal illness. In return, Yasako must agree to an interesting, and dangerous, bargain.
第 3 集 Yuko and Yuko
播出时间：2007年5月27日
With Densuke back, the Mojos drop him off with Isako. After freeing him from the illegal, Isako makes an enormous mistake in trying to unlock the virtual being.
第 4 集 Daikoku City Heike Club
播出时间：2007年6月3日
A battle breaks out at school! During the commotion, Fumie steals a mysterious piece of data from Amasawa.
第 5 集 The Metabug Scramble Bus Tour
播出时间：2007年6月10日
The Hackers' Club goes on a metabug expedition over the fringes of surrounding cyberspace lead by Isako.
第 6 集 The Red Automaton
播出时间：2007年6月17日
Yasako and Fumie begin an investigation into Haraken and Searchmaton. Under pressure, Haraken reveals something huge to Yasako and Fumie.
第 7 集 In Action!! The COIL Detective Agency
播出时间：2007年6月24日
Isako once again summons an illegal with the help of the Daikoku Hackers. With Yasako and Fumie working on an unrelated case, will the virus take over?
第 8 集 The Summer Festival and a Duel
播出时间：2007年7月1日
Isako hatches a risky plan, and Daichi's newly rekindled friendship with Fumie may suffer as a result.
第 9 集 Michiko-san from the Other Side
播出时间：2007年7月8日
The kids spend a dark and stormy night telling ghost stories and playing spooky games at school. Meanwhile, Haraken has an interesting other worldly experience.
第 10 集 Kanna's Diary
播出时间：2007年7月15日
Following clues left by Haraken's former research partner, Haraken, Fumie, and Yasako search for any new leads.
第 11 集 Sunken! Daikoku City
播出时间：2007年7月22日
Daichi's plan to acquire metabugs via a fish-type illegal doesn't go as planned and may endanger everyone in the virtual vicinity.
第 12 集 Daichi Grows Hair
播出时间：2007年7月29日
Yasako finds a race of microscopic illegals growing on their faces that are on the brink of destruction. Can Yasako figure out a way to save them?
第 13 集 The Last Plesiosaur
播出时间：2007年8月5日
A docile illegal follows the kids on a hazardous journey through the city, driven to find more of its kind.
第 14 集 Record of a Living Being
播出时间：2007年9月2日
Akira, Fumie's little brother, recalls the events thus far from his own perspective. Later, Haraken is warned by Nekome to stop investigating.
第 15 集 The Young Boy Beyond the Station
播出时间：2007年9月9日
Yasako searches for the place she met 4423. Afterward, she deduces that the place was a virtual space that was deleted.
第 16 集 Isako's Hospital Room
播出时间：2007年9月16日
Haraken and Fumie discover early accounts from previous denno users. Later, Yasako visits her comatose brother.
第 17 集 The Final Summer Vacation
播出时间：2007年9月23日
Haraken asks Isako to take him to the so-called "other world" in an effort to see if Kanna Ashihara still exists.
第 18 集 The Door to Another World
播出时间：2007年9月30日
Haraken barely makes it back through Isako's gateway. Tamako, fearing for his life, takes his glasses away. Meanwhile, trouble begins as a space appears behind Megabaa's shop.
第 19 集 The Dark Visitors
播出时间：2007年10月7日
With Kyoko on the "other side", Fumie and Yasako get help from Densuke to help guide Kyoko's denno body back to her real one.
第 20 集 Kanna and Yasako
播出时间：2007年10月14日
Haraken uses Kanna's glasses to sneak to the "other side." Yasako also enters with the help is Isako and Tamako.
第 21 集 The Dark Automaton
播出时间：2007年10月21日
Megamass is doing research on the "other side" and the effects of the den-noh coil. Isako finds herself drawn into it.
第 22 集 The Final COIL
播出时间：2007年10月28日
Yasako and Isako are running from Megamass. While hiding, they discover that Densuke might be able to open a stable portal.
第 23 集 The Granted Wish
播出时间：2007年11月11日
For various reasons, Nekome wants to join her brother on the other side, and the only way is to somehow convince Densuke to help.
第 24 集 The Children Who Throw Away Their Glasses
播出时间：2007年11月18日
The events surrounding Isako frighten the other parents. In an effort to keep their children safe, they confiscate their glasses, but at what cost?
第 25 集 The Kanazawa City Hazama Intersection
播出时间：2007年11月25日
Desperate to save Isako, Yasako finds a pair of glasses that belonged to her grandfather and uses them to travel to the other side.
第 26 集 Yasako and Isako
播出时间：2007年12月2日
Yasako comes face to face with the true nature of the Coil Doman and Michiko. Even with the support of her friends, can she save Isako?
