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Who Do You Think You Are? Full Episodes

Ratings: CBS wins though 'Chaos' drops, The CW's 'Smallville' pilot airing falls short
TV Ratings: CBS still wins Friday with soft 'Chaos' premiere
TV Ratings: 'Fringe' holds steady, NBC wins the night
'Who Do You Think You Are': Rosie O'Donnell explores her family history
NBC Renews Biggest Loser, Sing-Off, Who Do You Think You Are?
'Who do you think you are?' premiere: 'Desperate Housewives' Vanessa Williams hunts for answers
Vanessa Williams Previews 'Who Do You Think You Are?'