Simplify the following text for a Grade 8 native English-speaking person.
Original: Ned 's Declassified School Survival Guide , commonly called Ned 's Declassified for short , is an American live-action situation comedy on Nickelodeon that debuted in the channel 's Sunday night TEENick scheduling block on September 12 , 2004 .
Simplified: Ned 's Declassified School Survival Guide is a children 's TV show on Nickelodeon .