Asura Cryin': Nuts and his childhood ghost friend, Ayame, find out from Mina that they can summon a giant robot thing. At the same time, a fire-throwing demon miko by the name of Ichijou comes into Nuts' life to help him figure out just what's going on.
Hueco Mundo Arc: Auel, Rivalz and Germany barges in to Mitsuhide's realm to save Alisa, meeting up with Meia and Chester, alongside Chiyo Miyama. On the other hand, Mitsuhide assembles a group of elite Arrancars, but only sends out Yuu (knocks Auel out), Thouzer (beaten by Nightmare), Archer (beaten by Auel), Yuri Lowell (beaten by Freeza), Rude (beaten by Alucard) and Rau le Creuset (beaten by Meia). But it was only a discretion so Mitsuhide could advance to the next stage...
(Filler) New Captain Arc: In some sort of an Alternate Universe, the empty seat of Shadow is replaced by Captain America who also brought in his 3rd seat Asakim Dowin. Conspiracy around a princess named Kaolla Su happens and it is later revealed that both Cap and Asakim are the actual antagonists. They're swiftly killed and Cap hits the Ret Gone button on him.
Beast Sword Arc: After Dio and Graham's demise, things has yet to calm down as other 'released spirits' are still out to wreak havoc. The good guys and their weapon spirits try to quell the chaos, although Litchi ends up striking a tragic relationship with Leonhardt Raglen. All the troubles eventually led to AlbertWesker, and after taking him out, most weapons spirits return in peace for good.
Fake Karakura Town Arc: The good guys consisting Shanoa (a replacement of Nanaly), Jonathan, Ciel (arriving late), Doggie, Doukokuu, Snake, Altair, Ed, Neon and Squall face off against Mitsuhide's bad guys spearheaded by Wolverine, Mons Drake and Princess Emeraude. In the meantime, Auel had his final showdown with Yuu, while Alucard and Raoh team up to beat Tager. Lots of bad guys die... including Shagia.
Deicide Arc: The good guys fell thanks to Mitsuhide's power, even with the help of Lockon, Chidori and Auel's father Kyosuke Nanbu. Shadow betrayed Mitsuhide only to be killed, but then thanks to a Training from Hell provided by Kyosuke, Auel managed to kick Mitsuhide's ass (after transforming Wanyuudo into Yosuke Hanamura).
Substitute Shinigami Arc: Auel thought he's had his normal life again while helping Matsu run her unagi shop... until he's confronted with Ovan to confront his brainwashing friend Nameless, who's had his sights on everyone Auel dears on. With the help of Ovan's friend, Aqua, Auel retrains for battle again... Ovan is also a Big Bad like Nameless.
Final War Arc: Not going to be animated, but still... after surviving the Fake Karakura arc, Emeraude has been kidnapped and Chiyo had to drag Auel to beat her captors.
Canaan: Beginning professional photographer Aiko Kudo travels to Shanghai to meet Asami Iwasawa, a girl who saved Aiko before. Crona targets her, causing Asami to rescue her again. Every now and again, Giroro shows up as a Taxi driver.
Death Note: Death the Kid finds a mystical artifact that causes people to die if their name is written in it. Usopp, the world's greatest detective, tries to stop him. After Usopp dies, Akane Tendo and Oz take his place.
Dragon Ball Kai: After alien invaders, Captain Falcon and Mr. 1 kill several of Guilmon's allies, the remaining heroes must venture into space to gather the Namekian Dragon Balls. Unfortunately, they are unaware that someone else is after these mystical artifacts, the most fearsome dictator in the galaxy, "Him".
Dragon Crisis!: Keima Katsuragi is an ordinary high school student until C.C., his second cousin returns from America forcing him to join her unauthorized organization. The two intercept a trade and discover what was being traded - Ruby Gloom.
Fist of the North Star In a post-apocalyptic Earth previously ravaged by nuclear war, Ryo Saeba, successor to the deadly Hokuto Shinken martial art style, emerges as its savior. With his traveling companions Masao-kun and Jirachi, he initially travels to win back his love Sally the Witch, who was taken from him by friend turned rival, Nanto Seiken practitioner Piccolo. Later, he encounters opposition and assistance by several other Nanto Seiken masters: D, Liquid Snake, Go Mifune and Zack. Also, he reunites with his brothers and fellow Hokuto Shinken practitioners, the heartless Takeharu Kirijo, the benevolent Severus Snape, and the ambitious Braiking Boss, who seeks to become the soul Hokuto Shinken master and ruler of Earth/The Heavens, establishing himself as the Big Bad.
Glass Mask (1984): Alordayne Grotke is girl with a dream to act, so she runs away from home to attend an acting school. Her talent is noted by the Makaiju, and wants Miss Grotke to ressurect the role in a play she was going to star in before a stage accident and health problems made her stop acting. However, Makaiju also has her eyes on professional actress Lulu, who just wants to succeed on her own.
Hidamari Sketch: Kiyal gets into the art department of a private high school whose principal is the constantly-trembling Nanomon, and moves into the apartments across the street, where she befriends fellow first-year Pepper, and their sempai, the motherly Mikuru Asahina and more reticent flat chested MeganekkoMilfeulle Sakuraba. (The apartments, incidentally, are run by Puchiko.) The first-years have Choppy for an art teacher. Milfeulle is occasionally visited by little sister Ikuto Noguchi, and has a rivalry with Golden Darkness. When they move up to the next year, the four are joined in the apartments by new first-years Menoly, who's in the art department, and Maka Albarn, who's not.
Maid-Sama!: Seikon No Qwaser's Mafuyu is the student council president of a formerly all-boys' school, but has a part time job as a maid at a cafe run by Otohime. She may or may not be falling in love with Leicester Maycraft.
Legend of Galactic Heroes in the future, where mankind has expanded far beyond the confines of Earth and are in midst of war between two factions, Vegeta, a poor, but ambitious noble from the Galactic Empire, sets out to lead the Empire and unite the Universe under his rule. He is assisted mainly by his childhood friend and close subordinate Wingwaver, and his handpicked squad of talented commanders. Chief among them are his earliest followers Chiyo's Dad and Ken The Eagle. Meanwhile, on the other side, Duke Fleed of the Free Planets Alliance, a gifted tactician and Vegeta's eventual Worthy Opponent, and is tasked with defending the Alliance along with fellow solders Jerrid Messa, Kai Shiden, and later his adopted son Tetsuo Shima, among others.
A Little Snow Fairy Sugar: Orderly 11-year-old Marguerite has her plans turned upside-down by a little fairy named Madoka Fujisaki, who has the power to make snow. They are soon joined by wind fairy apprentice Laharl and sun fairy apprentice Emilio, and all of them have taken up residence in her home, where she lives with her grandmother Takako Inubushi. Part of the problem is that she's the only human around who can see and hear them. The three need to find a "twinkle" in order to become full-fledged season fairies of their respective types, but they cannot find out what it is, and indeed, have different ideas of what it's like... not to mention that Elder Cerberumon isn't helping much, especially given his fixation on the romantic pursuit of full-fledged rain fairy Excel, who in turn, seems to have an interest in cloud fairy Waspinator, who just wants to make the perfect cloud. Mixed up in all this craziness are Marguerite's friends Chiyo and Kayo Ando, inventor Sawako Yamanaka, and Rich Bitch and self-proclaimed rival President Aria.
Except for that one time when Piccolo, 005, Ryo Shiba & Balalaika assumed their identities, attended a wedding between Ryo & Chi Chi and get caught up in a treasure hunt. All the while, Megatron is after their asses.
Naruto Shippuden: After training with Xigbar for three years, Rika returns and, with new comrades like Saito and Shinigami-sama, she searches for her friend England. She is also being persued by a sinister organization led by Raiden, who is really working for Hayato Jin who is disguised as Jan Valentine. Also, Rika later finds out that her parents are Ryu and Sailor Jupiter.
Ojamajo Doremi: Hinako, a clumsy and hyper elementary school student, becomes a witch apprentice after discovering that Zim is a witch. After her best friends, brainy Suzume Mizuno and athletic Osakan transfer student Tsuruya find out her secret, they become witch apprentices, too. They also recieve their own fairies: Hinako gets clumsy Tailmon, Suzume gets kindhearted Angela Moore, and Tsuruya gets tough Riff-Raff. Later joining the team is Hinako's little sister, Ikue Ogawa. They gain a rival witch apprentice, Sakurako Sanjo, under the apprenticeship of Zim's rival, but later joins the team. A later addition to the girls is Japanese-American transfer student Rolling Bubbles. The girls have to take care of a baby from the witch world as well, Nowi, who uses magic to age up into an eleven-year-old.
Seitokai Yakuindomo: Yoshiyuki Sakurai recently enrolled in a new high school, Ousai Academy, because it was an easier commute. From the very first day he gets pressganged into the Student Council, which is chaired by Satan. Assisting her are a girl possessed by the Hell Girl and Karin Maaka, a genius returnee with an IQ of 180 who speaks fluent English and can do ten-digit calculations. All they ever do is talk about sex.
Skip Beat!: Yoko is so in love with her childhood friend Setsuna, but when he became a celebrity, he dumps Yoko. With her feelings hurt, Yoko decided to become a celebrity that is bigger than Setsuna and joins the same talent agency of the country's biggest star and Setsuna's rival Tooya.
X1999(TV version): Shinn Asuka returns to Tokyo and must decide the fate of the world whether he should save it or destroy it. His childhood friends, Enma Ai and Archer, got involved in this situation.
(Movie version}: Domon Kasshu returns to Tokyo and must decide the fate of the world whether he should save it or destroy it. His childhood friends, Tomoyo and Jeremiah, got involved in this situation.
Yu-Gi-Oh! 5Ds: Lambo and Dino's old singing buddy is living in the derelict ruins of the previous series' city, and has created his own motorcycle to hunt down is old friend Vahn (whose Dann of Thursday turned into a giant Donut) because he stole something from him. Later on he meets up with two of his old friends, a director for a live action Black Butler, and a shogun from Gintama.