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Castle

Dr. Horrible’s Sing-Along Blog Debuts on The CW — Watch the Promo Now! (VIDEO)

Dr. Horrible's Sing-Along Blog, directed by Joss Whedon and starring Castle's Nathan Fillion, will make its television debut this Tuesday, Oct. 9 at 9 p.m. ET on The CW. Will you tune in?

10.8.2012 / 07:15 PM EDT by Wetpaint Staff
Related: Castle, Nathan Fillion

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