MEDIA
03/18/2010 05:12 am ET Updated May 25, 2011

"Yo Gabba Gabba" The Nickelodeon "Stepchild" Experiencing Growing Pains

These milestones highlight how rapidly "Yo Gabba Gabba!," a show aimed at a preschool audience and broadcast on Nickelodeon's Nick Jr. channel, has built a fan base of young (and not-so-young) viewers with a mix of charming characters, catchy music and hip celebrity guests.

They are also occurring at a time of growing pains for the show, when its producers are wondering if Nickelodeon -- which does not produce "Yo Gabba Gabba!" itself, and instead licenses it from an outside studio -- values their show as much as its other children's franchises.

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