Browse episode ratings trends for Who Do You Think You Are?. Simply click on the interactive rating graph to explore the best and worst of Who Do You Think You Are?'s 12 episodes.
Best Episodes of Who Do You Think You Are?
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Who Do You Think You Are? Episode Guide
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The first episode of Who Do You Think You Are? aired on September 15, 2008.
The last episode of Who Do You Think You Are? aired on October 19, 2009.
There are 12 episodes of Who Do You Think You Are?.
