Episode Name: Hilloween
Air date: 10/26/1997
Episode 4, Season 2
Junie Harper, a conservative church member, declares that Halloween is a Satanic holiday, and gets the school to shut down Hank's "Haunted House" on the grounds that it violates the separation of church and state. Luanne and even Bobby start to believe Junie when she says that Hank is a Satanist, and Hank has to fight against Junie's attempt to cancel Halloween for the whole town.
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Some will wonder why I post this episode of "King of the Hill". To me it is just a comedic look at a very real issue. Christians for the most part have demonized this holiday and in doing so either hand it over to the devil or stimulate extreme reactions by their extremist attitude.