King of the Hill

Season 12 Episode 15

Behind Closed Doors

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Aired Sunday 8:30 AM Mar 16, 2008 on FOX

Trivia

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  • Allusions

    • The comic Bobby is reading "Unvincible" is an allusion to the real life comic "Invincible" by Robert Kirkman. The heroes' costumes are virtually identical and even the lettering for the title is the same.

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