Demons have now become commonplace around the kingdom of Midland, which has fallen into chaos. The swordsman Guts still cannot stay in one place for long due to his demonic brand. He could always manage to protect himself when he was alone, but now he has the added challenge of protecting former Commander Casca, a shell of her former self who neither remembers nor trusts him. They never have a moment's rest with the constant threat of demons, and they need a place where Casca will be safe till they find a way to heal her. Their elf ally, Puck, tells of the mystical land of Elfhelm, which is supposed to be a safe haven from the demons that ravage the lands. Tired and with only a vague hope, they struggle on to find a place to live—and they still need to find those responsible for the madness they are forced to endure. [Written by MAL Rewrite]

The story begins with a spaceship struggling to return to its home world, which crash lands onto a dying planet, triggering an explosion of pure energy, generated by the powerful and mysterious life forms that are piloting the craft. This outburst of energy infuses the dying planet with a life-generating force. Popo, the main character of the story, lives happily with his mother on this planet in a remote part of the forest that is populated with praying mantises, ladybugs, beetles and many other insects. Popos greatest desire is to grow up and become stronger, so that he can search for his father who left the family several years before and has not been heard from since. His father was known as the Guardian of the Forest, as he was passionately dedicated to his research on the planet and on the forest in which his family lives. One day, while walking through the forest, Popo witnesses an ominous event. A strange flowing mist appears, completely covering the forest. A mysterious and sinister character, Passer, also appears, condemning Popos father as an enemy of the forest people and the source of all their trouble. Popo races home only to find to his shock and amazement that his mother has been transformed into a half-plant, half human creature. Confused and dismayed over what he has seen, Popo decides that only his father will be able to restore his mother to her human self and rescue the forest from harm. He decides to leave his home in search for his father. However, the evil Adder and his henchmen plot to prevent Popo from achieving his goal with the help of giant beetles who attack the young boy at every turn. Fortunately, Popo has an ally, Mushiking: The King of Beetles! With his overwhelming strength and overpowering fighting style, Mushiking always comes through at the nick of time to save the young boy from defeat and to set him back on his quest. Is Popo able to find his father and to save his mother and the forest? Discovering his destiny as the next Guardian of the Forest, and protected and guided on his journey by Mushiking, Popo's epic quest to reunite with his father now begins! (Source: Official Site)

Each episode follows Fukuzou Moguro, a traveling salesman, and his current customer. Moguro deals in things that give his customers their heart's desire, and once his deals are made and their unhealthy desires are satisfied, Moguro's customers are often left with terrible repercussions, especially if they break the rules of his deals...

The Di Gi Charat Natsuyasumi Special was another four episode series set in America that aired almost a year after the original series from August 2, 2001 to August 3, 2001. The young American otaku, Rodoyan, is introduced in this series. • Natsuyasumi Special Episode 1 - Dejiko in America 1 • Natsuyasumi Special Episode 2 - Dejiko in America 2 When Puchiko wanted to get off a bus she couldn't reach the signal button, and the driver (looks just like Abarenbou) kept accelerating until reaching America. Soon Dejiko received a letter from Rod Young, an American boy and a big fan of Dejiko who let Puchiko stay with him, inviting Dejiko to America to visit them and pick Puchiko up. • Natsuyasumi Special Episode 3 - Depurapyogebo Debut A contest of bands was about to be held at Akihabara; the first prize is 10-year supply of nattou, Dejiko's favorite food. She decided to enroll but couldn't find enough members or instruments. • Natsuyasumi Special Episode 4 - Isn`t Anyone Here-nyo? Dejiko and gangs of Gamers went to the mountains, but when night fell people began to disappear one by one (Source: ANN, AniDB & Wikipedia)