Los Angeles Times

T.R. Knight (George O'Malley) of 'Grey's Anatomy'

The good-under-pressure, and all-around "good guy/best friend" George O'Malley saved his last life this past season on "Grey's Anatomy." In saving a woman from a speeding bus, he was flattened and now with news that T.R. Knight's contract wasn't renewed, we're left with an exit that only George could execute. Which got us to thinking will the show go on? Here's a look back at some of TVs favorite shows that did survive an exit of a main character... Related: TV show premieres and finales Thanks for the memories Grissom TV's happiest endings -- Darcel Rockett, Zap2it ABC
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