An Evangelical Christian woman named Junie Harper (Sally Field) comes to ban Halloween in Arlen and Hank plans on protesting her.
This episode contains examples of:
- Age-Inappropriate Dress: In his Halloween protest march, Hank wears his devil costume... from his childhood, which is too small for him and the top shows off his stomach.
- Beware the Nice Ones: While Hank and Luanne argue about whether or not Halloween is Satanic, Peggy tries her best to remain neutral in their conflicts, supporting both of them. However, when Luanne confess to her that she took Bobby to the Hallelujah House, Peggy turns on her, saying let her and Hank worry about raising Bobby or she'll be kicked out, which brings her to tears.
- Crowd Chant: Hank and his followers during his march keep on chanting "Trick or treat".
- Disproportionate Retribution: In a flashback, Young Hank and his buddies vandalize a house (Hank's to be exact) for only giving them one full-sized Hershey bar each. Since Halloween treats usually come in "fun-sized" (read: tiny) variants, this is very much unwarranted. Hank now older realizes this regretfully and goes to call his mom to apologize.
- The Fundamentalist: Junie Harper believes Halloween is a Satanic holiday that will damn people to Hell and does what she can to have it banned while encouraging kids to join her Hallelujah House.
- Good Angel, Bad Angel: Junie in her Angel costume and Hank in his Devil costume standing on either side of Bobby, Junie saying "You'll go to Hell!" and Hank saying "You'll get candy!"
- Halloween Episode: The episode takes place in the last few days up to Halloween itself.
- Heel–Face Turn: After being scolded by Peggy, Luanne joins Hank in his Halloween protest march.
- Henpecked Husband: Hank has a brief moment of this after the day pranking, with Hank complimenting Bobby on being "a Halloween hell-raiser", then Peggy comes by and he scolds Bobby saying "and I'm very disappointed in you!", which Peggy nods in approval and Bobby looks confused.
- Holier Than Thou: Junie Harper will support you if you're on her side, but go against her and she'll turn up her nose at you and condemn you to Hell.
- Jerkass Has a Point: Hank does get pretty heated in his arguments with Luanne, but he nails it with saying Halloween is just harmless fun and that it's Jesus who should be worshipped and whose teachings should be followed, not Junie Harper's, how no one agrees with Junie Harper despite her success in getting the Halloween curfew and calls Luanne out on her naivete and how she just listens to and accepts whatever anyone says without thinking for herself.
- Killer Gorilla: One of the spectacles at the Hallelujah House is an anti-evolutionary exhibit where the "grandfather" of an atheist family is an ape (played by a man in a gorilla suit) that mauls his baby grandchild (a plastic doll) to death.
- Know-Nothing Know-It-All: Junie Harper acts like she's the final authority on Halloween's origin but espouses very dubious things like druids dancing in front of jack-o-lanterns and something involving candy corn and human sacrifices.
- Mama Bear: Peggy tries to be this for both Luanne and Bobby, attempting to defend Luanne when Hank gets on her case but drawing the line when Luanne brings Bobby to Junie Harper without consent from either Hills. Peggy proves she will look out for Luanne, but she will not tolerate Luanne overstepping her boundaries when it comes to Bobby.
- Manchild: Hank, whom despite being in his 40s, still loves a good Halloween prank and happily takes part in egging and throwing toilet paper at houses. When Bobby says that "vandalism isn't cool", Hank scolds him for having an "immature attitude".
- Moral Guardians: Junie Harper wanting Halloween banned makes her one.
- The Moral Substitute: the "Hallelujiah House" is a God-fearing alternative to a haunted house.
- Never My Fault: After Hank and Bobby vandalize her house, Junie Harper chases them down by getting in her car. But as she reverses, she accidentally runs over her pet cat Joshua. Later on, when she shows up to city council, she shows them the cat's corpse, blaming the "Satanists" for the death of her cat.
- O.O.C. Is Serious Business: Peggy normally is protective of Luanne, but the second Luanne undermines her aunt and uncle as parents, Peg make it crystal clear that if Luanne ever did it again, she'd be evicted.
- Rule of Three: While out costume shopping, Hank is flabbergasted about how there's no scary costumes, only seeing weird options and gives these words: "Elmo, Aladdin, Jenny McCarthy?"
- Spit Take: Defied; when Peggy gets Hank a beer (after chewing out Luanne over taking Bobby to the Hallelujah house) and she flat-out tells him as he's taking a sip. He struggles a bit not to spit it out, then he swallows and lampshades: "I came very close to spitting out beer."
- Strawman Political: Done in-universe by Junie Harper, when she has a couple of mini-plays, with showing a couple making out, then spinning around and showing the morgue with their bodies, then stating "Sex kills". Then another has a married couple and a toy baby, then a man in a gorilla costume comes out (it's the grandpa), who rips the baby apart. But the husband can't do anything about it because "It's against the law to teach creationism".
- That Poor Cat: Junie Harper winds up running over her cat Joshua and proceeds to use his corpse (which she saved in a cooler) as an incentive to get Halloween canceled.
- Too Old to Trick-or-Treat: Hank is anxiously angling to take twelve-year-old Bobby trick-or-treating, as he thinks Bobby will be too old next year. After the conservative Junie Harper gets Tom Landry Middle School to ban its haunted house, a bunch of neighborhood adults (Hank, Dale, Boomhauer, Bill, Luanne, and Christopher) walk down the street to her home on Halloween night chanting "Trick or Treat!" in protest. Eventually, Bobby agrees to go trick-or-treating with Hank.
- What Happened to the Mouse?: Junie Harper is never seen again in the series after the Rainey Street Halloween mob gather their kids from her house. Though one could argue she moved away in frustration after this.
- Would Hurt a Child: Junie has no qualms attempting to run over both Hank and Bobby after their botched attempt to toilet paper her house.
