The Best Episodes Written By Yuko Kakihara

Graduation day comes, and Kaoru, Ritsuko and Sentaro's paths diverge. A fateful meeting with a familiar face years later offers Kaoru a chance at reuniting with old friends.

With the fate of the Earth on the line again, Lum and Ataru’s last game of tag begins.

The enemy disguising himself as a common cell has revealed his true identity. He is Cancer Cell. To protect this world, White Blood Cell (Neutrophil), Killer T Cell, and NK Cell must now confront the attacking Cancer Cell in battle.

Red Blood Cell has been assigned to train a rookie Red Blood Cell! She resolves to “show her what a dependable senpai I am!” But she keeps losing her way, and getting yelled at by other cells, so it’s not going very smoothly. Just then, a major incident rocks the world inside the body.

"We have detected life-threatening damage!" Hearing of this emergency, White Blood Cell (Neutrophil) rushes to the blast area. But there, he finds no traces of the blood cells he's supposed to protect! Due to massive bleeding, a huge amount of blood cells have already been flung outside the wound. And the bleeding continues... The situation grows more dire every second, but to protect this world and to save her friends, Red Blood Cell continues to deliver oxygen with Li'l Kouhai Red Blood Cell. Their world is on the brink of destruction... What kind of fate lies ahead for the cells?

Bon and Yumiko travel to the Kanmon Straits in 1185 Japan, where they must rescue and protect a survivor of the Heike clan from being hunted down.

The crew's next mission takes place 21,000 years ago in Southern France where their target is a Cro-Magnon boy who has been cast out from his village.

The crew saves an older man in 14th-century France from the plague. Later, after learning that he's still in danger, they launch another rescue mission.

After saving Lazarus in A.D. 79, Bon and Yumiko learn their target faces a harsher fate — death by gladiator fight or the wrath of Mount Vesuvius.

Bon receives terrible news about Agent Ream but must focus on his next mission: rescuing a young man from a sudden flood in 2400 B.C. Mohenjo-daro.

Using everything he's learned as a Time Patrol agent, Bon is determined to stop the Dimension Ball. Will he make it in time before space-time collapses?

Takao reveals the true identity of the "angel."

Bon and Ream go back 350 years, arriving in Southern France to prevent the torture and death of Celine, a potential victim of Europe's witch hunts.

Hitomi Tsukishiro, a girl from a family of mages who lost the ability to see color when young, gets sent 60 years into the past when her grandmother Kohaku tells her one night to go back in time and visit her when she was a 2nd-year student in high school.

The time of parting has finally arrived. After the festival, Hitomi, Kohaku, and all of the club members gather in a nearby park. One by one, they share the feelings they've held close to their hearts with Hitomi as she prepares for her journey. Then, as she's expressing her gratitude, an anomaly occurs in the star-sand watch. Yuito tries to rescue Hitomi, and the two of them suddenly vanish.

Lum is not happy when she learns she’s being forced into an arranged marriage thanks to her great grandfather.

Ataru and Mendo team up with Lum’s friends to save her from a forced marriage. But they aren’t the only ones who’re trying to stop the wedding.

What started as a misunderstanding ends in a falling out. Now Lum refuses to return until Ataru apologizes.

Things have been peaceful for Red Blood Cell when suddenly an abrasion occurs before her eyes. The White Blood Cells (Neutrophils) arrive to battle the bacteria and viruses invading through the wound, but they struggle against enemies like Staphylococcus aureus. Will the White Blood Cells (Neutrophils) find a way to defend this body?

Naive T Cell is patrolling the body for influenza virus proliferation. But since he’s never taken on the enemy before, he’s completely terrified and useless. He finally ends up fleeing the battlefield where White Blood Cell (Neutrophil) and the veteran Killer T Cells are fighting. Naive T Cell is filled with self-loathing until Dendritic Cell sees him and speaks to him kindly.

Bacteria appear near the stomach. White Blood Cell (Neutrophil) is on the scene at once. There, he finds Eosinophil, another type of White Blood Cell, already in battle, but she’s struggling badly. Seeing how powerless she is, the other cells start trashing Eosinophil behind her back. Even after White Blood Cell (Neutrophil) tells them, “There’s a job that only Eosinophil can do...”

The body has been invaded by a mass of cedar pollen! Rushing to the scene so that he can eliminate the cedar pollen, White Blood Cell (Neutrophil) runs into Memory Cell. Memory Cell is a Lymphocyte who retains the immune system’s memories. Seeing what’s actually going on, Memory Cell is strangely flustered. “What the heck? This is just like the legend...” What “legend” is Memory Cell talking about?

Let me become a great red blood cell one day... This is the story of Red Blood Cell before she became Red Blood Cell, when she was a young Erythroblast. The Erythroblasts are training hard to become full-fledged Red Blood Cells under the supervision of their teacher, Macrophage. But Erythroblast is directionally-challenged, and she’s always getting lost in the middle of drills. One day, while practicing to evacuate from bacteria, Erythroblast once again loses her way...

Delivering carbon dioxide to the lungs, and bringing oxygen to cells throughout the body... That’s Red Blood Cell’s important task. Though she’s still directionally-challenged and always losing her way, she can’t be a fledgling forever. She’s determined to go through Circulation by herself without any help from the older cells, but in the shadows, White Blood Cell (Neutrophil) watches over her with a worried look on his face.