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.

Lee Young-Joon's family runs a large company and he works as the vice-president of the company. He is smart, rich and handsome, but he is arrogant. His secretary is Kim Mi-So. She has worked for him for years and she is perfect for him, but Kim Mi-So decides to quit her job.

A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past.

A mother with a heart of gold navigates the cutthroat world of private education when her daughter tries to join a celebrity math instructor's class.

When a high-school girl finds that she is merely a character from a comic book whose destiny is decided by the writer, she decides to change the plot to suit her desires and find the love of her life.

After his uncle's unjust takeover of the family company, Kang Min Ho grows up to be a successful, if not cynical investor who only cares about money. But when he undergoes a sudden heart transplant surgery, Min Ho literally has a change of heart when he inherits a warm and compassionate heart. In the midst of seeing the world anew, including falling for the kind Kim Soon Jung, Min Ho must mitigate his newfound personality with the demands of his cutthroat career.

A wealthy man and a poor stunt girl fall in love. But things get complicated when their souls become inexplicably swapped and dark secrets surface.

Miserable and unsuccessful, a woman thinks she's lost all her spark — until one day, her spunky younger self appears in front of her demanding change.