May sweeps brings big TV season finales

POSTED: 12:26 PM PDT May 23, 2012    UPDATED: 01:27 PM PDT May 23, 2012 
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May 23 marks the final day of May sweeps week and the "Dancing with the Stars," "Glee" and "House" season finales pulled out all the stops to grab viewers' attention. Learn more about the Nielsen TV ratings process and find out which other highly anticipated finales are on tonight's lineup.