Sandy (left) plays the guitar while Spongebob (right) sings into a microphone. Both wear marching band uniforms as lights and pyrotechnics go off in the background Image via Nickelodeon Nickelodeo n ...

At its apogee, there was something almost ineffable about Nickelodeon as a brand. Other major kid-oriented networks had clear-cut concepts: Cartoon Network was a network for cartoons, Disney Channel ...