Tuesday, Jan. 4, 2011: &#39;Parenthood&#39; - This comedy drama series, based on the Ron Howard movie by the same name, continues its second season on NBC at 10 p.m. ET. &#40;Pictured: Craig T. Nelson, Monica Potter and Peter Krause appear in a scene from &#39;Parenthood.&#39;&#41; <span class=meta>(NBC)</span>
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