The signs as Halloween Movies:

Aries: Beetlejuice

Taurus: Hocus Pocus

Gemini: It's The Great Pumpkin, Charlie Brown

Cancer: Halloween

Leo: It's The Nightmare Before Christmas

Virgo: Corpse Bride

Libra: Ghostbusters

Scorpio: The Addams Family

Sagittarius: Halloweentown

Capricorn: Buffy the Vampire Slayer

Aquarius: Monster House

Pisces: Casper