You Know That Show...
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2 Feb 14th, 2017 at 12:12PMWestern Animationi remember this show from the early 90's on i think pbs about i think 4 kids and there was a villain who lived in the school and when he was younger he used to go to the school as a student but something bad happened to him so now he want revenge and no one except the kids know he is there and every episode he would have a plan to get his revenge on the school and the kids would stop him.