The Best Episodes Written By Sadayuki Murai

Touko and Shigeru are the kind elderly couple who took in Natsume when no one else would. But what were they like before they let Natsume move in?

Natsume helps a youkai out of a pot, and as a "reward", is made young again. But Natsume is already young, and making him younger just confuses him and addles his memories. When he doesn't know who to trust, will he have the strength to know who his real friends are?

Natsume meets the very first Yokai whose name was written in the Book of Friends.

Natsume takes in a strange origami doll that shows wonderful dreams.

Natsume continues to spend his days giving back Youkai their names from the book of friends. One day, as he's heading home, he finds himself chased by a giant, rolling pot. The youkai in the pot insists that his grandmother Reiko stole a doll from her. When she threatens to hurt his family, however, he's forced to go out and find it. But would his kind, smiling grandmother Reiko really steal a doll from someone?

Spike takes a beating during a chance encounter with an indestructible assassin. While Jet searches for the secret to the madman’s power, Spike goes looking for payback!

Kaina and the other villagers find out for the first time that there is life below the Canopy. Ririha, princess of Atland, explains that she came from the Snow Sea in search of "the sage," who may be able to help with their water shortage issue.

In order to safely return Ririha to her nation, Kaina goes with her to assist their climb down the spire tree, knowing he will not be able to return to his village again. Their travel goes smoothly, but the Valghians were waiting for Ririha at the base.

Opting to stay hidden inside a box within the ship, Kaina, Ririha and Yaona find themselves offloaded to the mobile fortress of Valghia. Now, they must somehow come up with a way to return to Atland, but Valghians are hot on their tails.

Just before the start of the war between Atland and Valghia, Kaina and his friends race to get proof of a great tree that can save everyone, including their enemies.

One day, Natsume finds a yokai named Kagejawan running around near his home, which he soon learns means disaster is about to strike.

An old classmate Yuriko, remembers her time watching Natsume and how he was a little weird. A clingbug from Natsume's past reminds him of the time he spent running from a youkai with a grudge.

Natsume receives a letter from Matoba, an exorcist whom he's had unpleasant dealings with in the past. The world of exorcists is a dangerous place lately, and Matoba wants Natsume's help. Natsume wants to refuse, but Matoba threatens to reveal Natsume's powers to his adopted family, which would spell the end of his peaceful life.

Natsume has come down with a cold after adventuring in the hills. All of his friends, both human and youkai, do their best to make him feel better. As he lies in bed, he begins to realize how much the people around him care for him, and how valuable the bonds he's established are.

Nagate fights one-on-one with the heart of his enemy while the strike force does not fare well in its attack on the Gauna.

Bisco and Jabi continue their journey through Touhoku in search of Sabikui, the Rust-Eater, a mushroom said to cleanse away any rust. Milo also realizes that if he could cure his sister, Pawoo, if he had this Rust-Eater. Meanwhile, the governor of Imihama, Kurokawa, burns with an unusual obsession with killing Bisco.

Faye teams up with Spike and Jet to track down a gang of space activists that plans on turning the human population into monkeys!

Spurred by a cryptic email, Jet goes looking for an old friend, but finds his daughter – and a mysterious sun stone – instead.

The Valghians capture Ririha so they can strongarm the Atlandians into surrendering. The Atlandian soldiers engage in the battle to rescue Ririha and Kaina, but aren't successful. Ririha manages to free Kaina while she remains in captivity.

After learning of the King of Atland's decision to not rescue Ririha and instead go to war with Valghia, it's up to Kaina and Yaona to go save Ririha. Without a means to travel the sea, they must figure out an alternative way to get there.

After saving an innocent girl from being executed, Kaina, Ririha and Yaona are given a small boat to escape. Unfortunately, without any means to navigate the boat accurately, they are unsure if they're heading in the right direction.

In isolation his entire life, Nagate must adjust to life in a centuries-old space colony while training as a cadet pilot to fight an ancient threat.

Exploring Sidonia, Nagate makes an enemy of Kunato while protecting a friend. The Gauna attack, calling the pilots into action.

Nagate and his squad graduate as pilots and are quickly sent into combat when the enemy returns; Kunato explores Nagate's history.

The Gauna find a distressing way to demoralize and out-fight the attack force. Nagate returns to Sidonia with a prize that may help in the fight.