Oh Yeah! Cartoons was an American animation showcase that appeared on the Nickelodeon cable channel. Oh Yeah! was an animation project guided by Fred Seibert, former Creative Director of MTV Networks and President of Hanna-Barbera. Produced by Frederator Studios, it ran as part of Nickelodeon's Nicktoons lineup, and in its second season, was hosted by Kenan Thompson of All That and Kenan & Kel fame; Then later by Josh Server, from All That, for its third season. Bill Burnett composed the show's theme music. Oh Yeah! Cartoons was distributed by Nelvana outside of the United States. In terms of sheer volume, Oh Yeah! Cartoons remains TV's biggest animation development program ever. Giving several dozen filmmakers the opportunity to create nearly 100 seven-minute cartoons, the series eventually yielded three dedicated half-hour spin-offs: ⁕The Fairly OddParents ⁕ChalkZone ⁕My Life as a Teenage Robot Nickelodeon's Oh Yeah! half-hour featured in its first season, a total of 39 brand new seven-minute cartoons in 13 episodes, surpassing the number of new cartoons and characters on any other single network. In its full run, Oh Yeah! Cartoons featured and produced over 99 cartoons and 54 characters.

At the end of the last summer vacation of high school, Youta Narukami spends his days preparing for the university entrance exams, when a young girl named Hina suddenly appears, proclaiming herself as the "god of omniscience." Youta is confused and does not believe Hina when she tells him "The world will end in 30 days." After witnessing Hina’s God-like predictive ability, Youta begins to believe her powers are real. Hina, who is innocent and childlike despite her supernatural powers, decides for some reason to stay at Youta’s home. Thus begins the start of their lively summer before the end of the world.

A disastrous school trip leaves four students stranded on an uninhabited island. Staying alive on a deserted island is easy for Homare, thanks to her survivalist father's training. While the others struggle, she shows them that being isolated may not be as dreadful as they thought.

Tsutsui Hikari (a.k.a "Tsuttsun") is a high school student who is content with his virtual life of anime and video games. One day, he gets stuck cleaning the pool with Iroha, a real live girl who is stylish, sassy and known to be easy with boys ... and she aggressively approaches him! Tsuttsun, who has few friends and lives in his own world, finds himself smitten by the confident and wild Iroha ... and his whole world is turned upside down!! It's the awkward and pure love story of a boy who experiences relationship for the first time.

Fuutarou Uesugi is a poor, antisocial ace student who one day meets the rich transfer student Itsuki Nakano. They argue but when Uesugi realizes he is to be her tutor, he tries to get on better terms. While trying to do so he meets four other girls.

As one of the thousands of Japanese students afflicted with "chunibyo," a state where they're so desperate to stand out that they've convinced themselves that they have secret knowledge and hidden powers, Yuta spent most of his middle school years living in a complete fantasy world. He's finally managing to overcome his delusions but his chunibyo have attracted the attentions of another sufferer, and she's decided that this makes him her soul mate.

A 34-year-old hikikomori is kicked out of his home by his family after the death of his parents. After his eviction, he saves a group of teenagers from being killed by a speeding truck, but loses his life in the process. When he comes to, he realizes he has been reborn as Rudeus Greyrat, in a world of swords and sorcery.

A door to another world stretches out before a boy who's been brutally bullied all his life. This alternate reality grants him access to all sorts of things, like cheat skills and a portal that lets him travel between his old and new worlds! Can this class loser turn his life around back home...?

Natsuo is a high school boy who is experiencing the crushing despair of unrequited love. To make matters worse, the person he is in love with is his teacher, Hina. In an attempt to lift his spirits, he attends a mixer where he meets a girl named Rui. The two sleep together, expecting never to see one another again, but fate has other plans. His life suddenly becomes more complicated when his father comes home and announces he has remarried a woman with two daughters whom Natsuo has met before: Hina and Rui!

Sakurai Shinichi netúži po ničom inom, než si užívať pokoj a pohodlie vysokoškolského života. To sa však nepáči o rok mladšiemu dievčaťu menom Uzaki Hana, ktorá si pamätá Sakuraie zo strednej školy ako veľmi aktívneho a spoločenského člena plaveckého mužstva a preto pohľad na samotársky a pohodlný život, ktorý teraz mladík vedie, dievčaťu dosť vadí. Uzaki sa rozhodne zvoliť veľmi radikálny spôsob ako zabezpečiť, aby sa Sakurai necítil osamelý a hýbal sa - proste ho bude prenasledovať na každom kroku a bude s chlapcom tráviť svoj voľný čas, kedykoľvek jej to štúdium dovolí. Mladík z toho nie je samozrejme vôbec nadšený, avšak vďaka vytrvalosti dievčaťa a jej bizarnému šarmu to nakoniec môže byť začiatok veľmi krásneho vzťahu...

It is currently the Taiheimeji era, during the rule of the Tokugawa shogunate. In this era, breasts mean everything. If you have breasts, you are guaranteed wealth and popularity, but if you lack them, you are rarely considered human. Inside the shogunate, there is a group of warriors that support the government—the Manyuu Clan, which helps raise the future big breasts. Written on a secret scroll possessed by the clan, there are said to be various techniques on how to grow big and beautiful breasts. Chifusa is the heir of the clan. However, she takes the secret scroll and runs away with it, hoping to fight against the cruel world that the Manyuu Clan has created…

Louise Françoise Le Blanc de La Vallière’s name is so long and her spell-casting skills are so poor that everyone at the Tristain Academy of Magic just calls her “Louise the Zero.” Louise’s humiliation only increases during an important second-year test, she inexplicably summons Saito Hiraga, a totally normal teenager from Tokyo. Now she’s stuck with him and Saito’s stuck with the lousy life of being a familiar.

Fifteen year old Kuroki Tomoko has dated dozens of boys and is easily the most popular girl around-- inside her dating games. In reality, she gets tongue tied just talking to people, and throughout middle school she's only had one actual friend. As she enter high school, she desperately wants to be popular, but doesn't understand that real-life doesn't work like her games. Her artificial successes pave the way to real folly and failure. But why drop this strategy when there's always someone else to blame?!

A group of 12-year-old fans of the Digimon card game meet their own Digimon friends and start to duel "bio-emerging" Digimon who cross the barrier between the information network and their world.

For years, a great war has raged on between the scientifically advanced Empire and a paradise of witches known as the Nebulis Sovereignty. This age-old battle sets the scene for a fateful encounter between two young combatants: an imperial swordsman, Iska, and the witch princess, Aliceliese. As sworn enemies, they vow to cut each other down in order to unite their worlds, and yet Iska finds himself entranced by her beauty and righteousness, while Aliceliese is moved by his strength and resolve. In the midst of a never-ending war that forbids them from being together, they have no choice but to destroy each other-or find another way.

Angel Beats takes place in the afterlife and focuses on Otonashi, a boy who lost his memories of his life after dying. He is enrolled into the afterlife school and meets a girl named Yuri who invites him to join the Afterlife Battlefront — an organization she leads which fights against God. The Battlefront fight against the student council president Angel, a girl with supernatural powers.

Japan may be brimming with mysterious monsters called ayakashi, but they have a special exorcist ninja force to counter the threat! Young exorcist ninja Matsuri spends his days fighting ayakashi to protect his childhood friend Suzu. But when an ayakashi cat named Shirogane shows up, things get turned upside down!

Kiyotaka Ayanokoji has just enrolled at Tokyo Koudo Ikusei Senior High School, where it's said that 100% of students go on to college or find employment. But he ends up in Class 1-D, which is full of all the school's problem children. What's more, every month, the school awards students points with a cash value of 100,000 yen, and the classes employ a laissez-faire policy in which talking, sleeping, and even sabotage are permitted during class. One month later, Ayanokoji, Horikita, and the students of Class D learn the truth of the system in place within their school...

Andy je Negátor so schopnosťou „undead“ a už dlho pátra po niekom, kto mu dokáže zaistiť „skutočnú smrť“. Fuko Izumová prináša smolu všetkým vo svojom okolí, pretože má schopnosť „unluck“. Obaja sa rozhodnú stať členmi organizácie Union, ktorej cieľom je ovládať a ochraňovať svet pred neidentifikovanými úkazmi. Spoločne odhalia záhadu sveta, keď pátrajú po „najúžasnejšej smrti všetkých čias“.

Gang Mystery Inc. rieši väčšie záhady a stretáva sa s mnohými pamätnými celebritami.