<Li> NTSC (480i) (2006--08) </Li> <Li> HDTV 1080i (2009--) </Li> <Tr> <Th> Original release </Th> <Td> June 21, 2006 (2006 - 06 - 21)--present </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr>

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