Watch: Kitty and Marley Sing “Holding Out For a Hero” in Glee Season 4, Episode 7: "Dynamic Duets" (VIDEO) Tweet November 23, 2012 at 01:34AM EST by Beth Douglass Related: Glee, Music , Kitty , Marley , Season 4 Episode 7 Credit: Glee on Fox on YouTube Original airdate: Thursday, November 22, 2012 at 9pm on FOX
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