On TV Tonight: Thursday May 19, 2011

NET 8PM 8:30PM 9PM 9:30PM 10PM 10:30PM
ABC Wipeout Grey’s Anatomy Private Practice
CBS The Big Bang Theory Rules of Engagment The Mentalist The Mentalist
CW Smallville (R)
FOX American Idol Bones
NBC The Office (R) The Office (R) The Office Parks and Recreation

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