In real life, Kyle would've had to dial about 30 numbers to get connected, whereas here he only dialed 5. Must be teflon. Stan's head is a Jack-O' Lantern. Singer is a skeleton with a Bunny-Fish skeleton on his hat. Mrs. Cartman is wearing a witch hat.
Bus drives by a herd of skeletal cows.
Usual bird has been replaced by a bat. Mayor's helpers have witch hats. Witch on broomstick flies up. Kid in front of Gun Shop repeatedly stabs a Jack-O' Lantern. Death is driving the Chef's station wagon.