List of programs broadcast by Nickelodeon
The first program broadcast on Nickelodeon was Pinwheel. It was a preschool series created by Dr. Vivian Horner. Horner also created the idea for the channel itself. When it began, Nickelodeon was commercial-free. It  mainly showed educational programs. By 1984, the channel began using co by commercials . They also started airing programs that were more for entertainment than education. In January 1988, the network began a block for preschoolers. It was called Nick Jr.. The block aired  Pinwheel and other educational series. Around the same time, Nickelodeon began making its own animated programs. These were first aired in 1991 under the "Nicktoons" branding. Nick.