This undated image released by the Nerdist Channel shows actor Neil Patrick Harris in a scene from "Puppet Dreams." Nerdist began as a little weekly comedy podcast hosted by Chris

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This undated image released by the Nerdist Channel shows actor Neil Patrick Harris in a scene from "Puppet Dreams." Nerdist began as a little weekly comedy podcast hosted by Chris Hardwick and launched in 2010. It has grown to encompass a network of 21 podcasts, 27 YouTube shows and a growing TV presence. (AP Photo/Nerdist Channel) less