On TV Tonight: Thursday April 28, 2011

NET 8PM 8:30PM 9PM 9:30PM 10PM 10:30PM
ABC 20/20 Grey’s Anatomy Private Practice
CBS The Big Bang Theory Rules of Engagement CSI The Mentalist
CW The Vampire Diaries Nikita
FOX American Idol Bones
NBC Community The Office (R) The Office Parks and Recreation 30 Rock

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